Add dual-bank STM32 bootloader support, given GPIO toggle on BOOT0 to charge RC circuit. (#8778)

tmk_core/protocol/chibios/main.c

@@ -35,6 +35,7 @@
 
 #ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP
 // Change this to be TRUE once we've migrated keyboards to the new init system
+// Remember to change docs/platformdev_chibios_earlyinit.md as well.
 #    define EARLY_INIT_PERFORM_BOOTLOADER_JUMP FALSE
 #endif