✨ MKS Robin Nano v3 + TFT_LVGL_UI + WiFi module (#22109)

ini/stm32f1-maple.ini

@@ -26,8 +26,7 @@
 platform          = ststm32@~12.1
 board_build.core  = maple
 build_flags       = !python Marlin/src/HAL/STM32F1/build_flags.py
-  ${common.build_flags}
-  -DARDUINO_ARCH_STM32
+  ${common.build_flags} -DARDUINO_ARCH_STM32 -DMAPLE_STM32F1
 build_unflags     = -std=gnu11 -std=gnu++11
 src_filter        = ${common.default_src_filter} +<src/HAL/STM32F1>
 lib_ignore        = SPI, FreeRTOS701, FreeRTOS821