Further cleanup of ld directory.

Renamed the main linker script to make it clear it is customised for NodeMCU
and not to be confused with the standard linker SDK linker scripts.

Changed to using the eagle.rom.addr.v6.ld file from the SDK.

Makefile

@@ -11,7 +11,7 @@ SDK_VER:=1.4.0
 TOP_DIR:=$(dir $(lastword $(MAKEFILE_LIST)))
 SDK_DIR:=$(TOP_DIR)sdk/esp_iot_sdk_v$(SDK_VER)
 CCFLAGS:= -I$(TOP_DIR)sdk-overrides/include -I$(SDK_DIR)/include
-LDFLAGS:= -L$(SDK_DIR)/lib $(LDFLAGS)
+LDFLAGS:= -L$(SDK_DIR)/lib -L$(SDK_DIR)/ld $(LDFLAGS)
 
 #############################################################
 # Select compile

app/Makefile

@@ -64,15 +64,7 @@ ifeq ($(FLAVOR),release)
     TARGET_LDFLAGS += -Os
 endif
 
-LD_FILE = $(LDDIR)/eagle.app.v6.ld
-
-ifeq ($(APP), 1)
-	LD_FILE = $(LDDIR)/eagle.app.v6.app1.ld
-endif
-
-ifeq ($(APP), 2)
-	LD_FILE = $(LDDIR)/eagle.app.v6.app2.ld
-endif
+LD_FILE = $(LDDIR)/nodemcu.ld
 
 COMPONENTS_eagle.app.v6 = 			\
 	user/libuser.a 				\
@@ -123,7 +115,6 @@ LINKFLAGS_eagle.app.v6 = 			\
 
 DEPENDS_eagle.app.v6 = 				\
                 $(LD_FILE) 			\
-                $(LDDIR)/eagle.rom.addr.v6.ld
 
 #############################################################
 # Configuration i.e. compile options etc.

ld/eagle.app.v6.ld → ld/nodemcu.ld

@@ -210,4 +210,4 @@ SECTIONS
 }
 
 /* get ROM code address */
-INCLUDE "../ld/eagle.rom.addr.v6.ld"
+INCLUDE "eagle.rom.addr.v6.ld"