Add Kbuild option for loco deck LOCODECK_ALT_PIN_RESET

Sets the loco deck reset pin to GPIO_IO4. Requires a accordingly
modified loco deck with a connection to GPIO_IO4.

src/deck/drivers/src/Kconfig

@@ -290,6 +290,15 @@ config DECK_LOCO
        LOCO deck alternative IRQ and RESET pins(IO_2, IO_3) instead of
        default (RX1, TX1), leaving UART1 free for use.
 
+  config LOCODECK_ALT_PIN_RESET
+  bool "Set pin GPIO_IO4 for reset on the LOCO deck"
+  default name
+  depends on DECK_LOCODECK_USE_ALT_PINS
+  help
+      Only works when LOCODECK_USE_ALT_PINS is set. For instance useful with
+      Loco + Lighhouse + Flow decks where IO_3 collides with the Flow deck.
+      Requires modified Loco deck with connection to GPIO_IO4.
+
   config DECK_LOCO_NR_OF_ANCHORS
   int "The number of anchors in use"
   default 8

src/deck/drivers/src/locodeck.c

@@ -65,10 +65,10 @@
 #ifdef CONFIG_DECK_LOCODECK_USE_ALT_PINS
   #define GPIO_PIN_IRQ 	  DECK_GPIO_IO2
 
-  #ifndef LOCODECK_ALT_PIN_RESET
+  #ifndef CONFIG_LOCODECK_ALT_PIN_RESET
   #define GPIO_PIN_RESET 	DECK_GPIO_IO3
   #else
-  #define GPIO_PIN_RESET 	LOCODECK_ALT_PIN_RESET
+  #define GPIO_PIN_RESET 	DECK_GPIO_IO4
   #endif
 
   #define EXTI_PortSource EXTI_PortSourceGPIOB
@@ -570,7 +570,11 @@ static const DeckDriver dwm1000_deck = {
   .name = "bcDWM1000",
 
 #ifdef CONFIG_DECK_LOCODECK_USE_ALT_PINS
+  #ifndef CONFIG_LOCODECK_ALT_PIN_RESET
   .usedGpio = DECK_USING_IO_1 | DECK_USING_IO_2 | DECK_USING_IO_3,
+  #else
+  .usedGpio = DECK_USING_IO_1 | DECK_USING_IO_2 | DECK_USING_IO_4,
+  #endif
 #else
    // (PC10/PC11 is UART1 TX/RX)
   .usedGpio = DECK_USING_IO_1 | DECK_USING_PC10 | DECK_USING_PC11,