Merge upstream changes from Marlin 2.1.1

ini/stm32f7.ini

@@ -0,0 +1,37 @@
+#
+# Marlin Firmware
+# PlatformIO Configuration File
+#
+
+#################################
+#
+# STM32F7 Architecture
+#
+# Naming Example: STM32F767ZIT6
+#
+#   F : Foundation (sometimes High Performance F2/F4)
+#   7 : Cortex M7 core (0:M0, 1-2:M3, 3-4:M4, 7:M7)
+#  67 : Line/Features
+#   Z : 144 pins
+#   I : 4096KB Flash-memory
+#   T : LQFP package
+#   6 : -40...85°C   (7: ...105°C)
+#
+#################################
+
+#
+# ST NUCLEO-F767ZI Development Board
+# This environment is for testing purposes prior to control boards
+# being readily available based on STM32F7 MCUs
+#
+[env:NUCLEO_F767ZI]
+extends       = common_stm32
+board         = nucleo_f767zi
+build_flags   = ${common_stm32.build_flags} -DTIMER_SERIAL=TIM9
+
+#
+# REMRAM_V1
+#
+[env:REMRAM_V1]
+extends       = common_stm32
+board         = remram_v1