Merge upstream changes from Marlin 2.1.2

buildroot/share/PlatformIO/variants/MARLIN_G0B1RE/PeripheralPins.c

@@ -15,7 +15,7 @@
  * STM32G0C1R(C-E)IxN.xml, STM32G0C1R(C-E)TxN.xml
  * CubeMX DB release 6.0.30
  */
-#if !defined(CUSTOM_PERIPHERAL_PINS)
+#ifndef CUSTOM_PERIPHERAL_PINS
 #include "Arduino.h"
 #include "PeripheralPins.h"
 

buildroot/share/PlatformIO/variants/MARLIN_G0B1RE/ldscript.ld

@@ -13,8 +13,8 @@
  ******************************************************************************
  * @attention
  *
- * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
- * All rights reserved.</center></h2>
+ * Copyright (c) 2020 STMicroelectronics.
+ * All rights reserved.
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the

buildroot/share/PlatformIO/variants/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.cpp

@@ -11,7 +11,7 @@
  *******************************************************************************
  */
 
-#if defined(STM32G0B1xx)
+#ifdef STM32G0B1xx
 #include "pins_arduino.h"
 
 // Digital PinName array

buildroot/share/PlatformIO/variants/MARLIN_G0B1RE/variant_MARLIN_STM32G0B1RE.h

@@ -124,6 +124,7 @@
 #define NUM_DIGITAL_PINS        62
 #define NUM_REMAP_PINS          2
 #define NUM_ANALOG_INPUTS       16
+#define NUM_ANALOG_FIRST        PA0
 
 // SPI definitions
 #ifndef PIN_SPI_SS