Fix wrong SRAM size.

cmake/stm32/g4.cmake

@@ -5,7 +5,7 @@ set(STM32_G4_TYPE_MATCH
     "G431.." "G441.." "G471.." "G473.." "G483.." "G474.." "G484.."
 )
 set(STM32_G4_RAM_SIZES 
-     22K  22K  96K  96K  96K  96K  96K
+     32K  32K 128K 128K 128K 128K 128K
 )
 set(STM32_G4_CCRAM_SIZES 
      10K  10K  32K  32K  32K  32K  32K