🧑‍💻 Optimize PlatformIO source filtering (#25332)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

ini/stm32-common.ini

@@ -12,13 +12,11 @@
 [common_stm32]
 platform         = ststm32@~12.1
 board_build.core = stm32
-build_flags      = ${common.build_flags}
-                   -std=gnu++14 -DHAL_STM32
-                   -DUSBCON -DUSBD_USE_CDC
-                   -DTIM_IRQ_PRIO=13
-                   -DADC_RESOLUTION=12
+build_flags      = ${common.build_flags} -std=gnu++14
+                   -DHAL_STM32 -DPLATFORM_M997_SUPPORT
+                   -DUSBCON -DUSBD_USE_CDC -DTIM_IRQ_PRIO=13 -DADC_RESOLUTION=12
 build_unflags    = -std=gnu++11
-build_src_filter = ${common.default_src_filter} +<src/HAL/STM32> +<src/HAL/shared/backtrace>
+build_src_filter = ${common.default_src_filter} +<src/HAL/STM32> -<src/HAL/STM32/tft> +<src/HAL/shared/backtrace>
 extra_scripts    = ${common.extra_scripts}
                    pre:buildroot/share/PlatformIO/scripts/stm32_serialbuffer.py