only:windows compilation seems broken fix #5703

documenting the problem

firmware/Makefile

@@ -89,6 +89,10 @@ endif
 # Enable this if you want link time optimizations (LTO)
 ifeq ($(USE_LTO),)
   # ChibiOS has not yet migrated to gcc12 syntax of '-flto' thus some weird code here
+  #
+  # drama: in case of 'syntax error near unexpected token' on Windows either comment out the two lines below
+  # or just more your GCC into a folder without spaced in the path like 'C:\stuff\arm-gcc-12.2'
+  #
   USE_LTO = no
   USE_OPT += -flto=auto
 endif