[Bug] Compilation failed for GH60 satan with HHKB 7u keymap

[aming]

Describe the Bug

Compilation error for gh60/satan with hhkb_7u layout.

❯ qmk compile -kb gh60/satan -km hhkb_7u
Ψ Compiling keymap with gmake --jobs=1 gh60/satan:hhkb_7u


QMK Firmware 0.6.49
⚠ gh60/satan: RGBLIGHT_ANIMATIONS in config.h is deprecated and will be removed at a later date
Making gh60/satan with keymap hhkb_7u

⚠ gh60/satan: RGBLIGHT_ANIMATIONS in config.h is deprecated and will be removed at a later date
avr-gcc (Homebrew AVR GCC 8.5.0) 8.5.0
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Size before:
   text	   data	    bss	    dec	    hex	filename
      0	  26056	      0	  26056	   65c8	gh60_satan_hhkb_7u.hex

Generating: .build/obj_gh60_satan/src/info_config.h                                                 [WARNINGS]
 |
 | ⚠ gh60/satan: RGBLIGHT_ANIMATIONS in config.h is deprecated and will be removed at a later date
 |
Generating: .build/obj_gh60_satan/src/layouts.h                                                     [WARNINGS]
 |
 | ⚠ gh60/satan: RGBLIGHT_ANIMATIONS in config.h is deprecated and will be removed at a later date
 |
Generating: .build/obj_gh60_satan/src/default_keyboard.c                                            [WARNINGS]
 |
 | ⚠ gh60/satan: RGBLIGHT_ANIMATIONS in config.h is deprecated and will be removed at a later date
 |
Generating: .build/obj_gh60_satan/src/default_keyboard.h                                            [WARNINGS]
 |
 | ⚠ gh60/satan: RGBLIGHT_ANIMATIONS in config.h is deprecated and will be removed at a later date
 |
Compiling: keyboards/gh60/satan/satan.c                                                             [OK]
Compiling: .build/obj_gh60_satan/src/default_keyboard.c                                             [OK]
Compiling: quantum/keymap_introspection.c                                                          In file included from quantum/keymap_introspection.c:5:
./keyboards/gh60/satan/keymaps/hhkb_7u/keymap.c:28:16: error: implicit declaration of function 'LAYOUT_60_hhkb'; did you mean 'LAYOUT_60_ansi'? [-Werror=implicit-function-declaration]
   [_DEFAULT] = LAYOUT_60_hhkb( /* Basic QWERTY */
                ^~~~~~~~~~~~~~
                LAYOUT_60_ansi
./keyboards/gh60/satan/keymaps/hhkb_7u/keymap.c:28:16: error: initializer element is not constant
./keyboards/gh60/satan/keymaps/hhkb_7u/keymap.c:28:16: note: (near initialization for 'keymaps[0][0][0]')
In file included from quantum/keymap_introspection.c:5:
./keyboards/gh60/satan/keymaps/hhkb_7u/keymap.c:49:11: error: initializer element is not constant
   [_FN] = LAYOUT_60_hhkb( /* Layer 1 */
           ^~~~~~~~~~~~~~
./keyboards/gh60/satan/keymaps/hhkb_7u/keymap.c:49:11: note: (near initialization for 'keymaps[1][0][0]')
cc1: all warnings being treated as errors
 [ERRORS]
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 |
 |
gmake[1]: *** [builddefs/common_rules.mk:359: .build/obj_gh60_satan_hhkb_7u/quantum/keymap_introspection.o] Error 1
gmake: *** [Makefile:414: gh60/satan:hhkb_7u] Error 1
Make finished with errors

System Information

Keyboard: GH60
Revision (if applicable): satan
Operating system: Mac
qmk doctor output:

❯ qmk doctor
Ψ QMK Doctor is checking your environment.
Ψ CLI version: 1.1.1
Ψ QMK home: /Users/tolau/Workspace/qmk_firmware
Ψ Detected macOS 12.5.1 (Apple Silicon).
Ψ Git branch: master
Ψ Repo version: 0.6.49
Ψ - Latest master: 2022-09-02 09:10:05 -0700 (5d932e2612) -- [Keymap] Fixing location of my Keymap for the Gentleman65 (#18246)
Ψ - Latest upstream/master: 2022-09-02 09:10:05 -0700 (5d932e2612) -- [Keymap] Fixing location of my Keymap for the Gentleman65 (#18246)
Ψ - Latest upstream/develop: None
Ψ - Common ancestor with upstream/master: 2022-09-02 09:10:05 -0700 (5d932e2612) -- [Keymap] Fixing location of my Keymap for the Gentleman65 (#18246)
Ψ - Common ancestor with upstream/develop: None
Ψ CLI installed in virtualenv.
Ψ All dependencies are installed.
Ψ Found arm-none-eabi-gcc version 8.5.0
Ψ Found avr-gcc version 8.5.0
Ψ Found avrdude version 7.0
Ψ Found dfu-util version 0.11
Ψ Found dfu-programmer version 0.7.2
Ψ Submodules are up to date.
Ψ Submodule status:
Ψ - lib/chibios: 2022-06-11 09:09:45 +0000 --  (f836d24b0)
Ψ - lib/chibios-contrib: 2022-07-27 10:46:15 +0200 --  (d03aa9cc)
Ψ - lib/googletest: 2021-06-11 06:37:43 -0700 --  (e2239ee6)
Ψ - lib/lufa: 2022-08-26 12:09:55 +1000 --  (549b97320)
Ψ - lib/pico-sdk: 2022-05-17 19:19:01 +0200 --  (07edde8)
Ψ - lib/printf: 2022-06-29 23:59:58 +0300 --  (c2e3b4e)
Ψ - lib/vusb: 2022-06-13 09:18:17 +1000 --  (819dbc1)
Ψ QMK is ready to go

Any keyboard related software installed?

• AutoHotKey (Windows)
• Karabiner (macOS)
• Other:

Additional Context