fix(g4): RAM size of G491 & G4A1 is 112k not 128k (fixes #2835) #1070

Job	Run time
Check CMake usage (NUCLEO_F767ZI)	46s
Check CMake usage (NUCLEO_G0B1RE)	48s
Check CMake usage (NUCLEO_F103RB)	44s
Check CMake usage (NUCLEO_F091RC)	44s
Check CMake usage (NUCLEO_H563ZI)	50s
Check CMake usage (NUCLEO_F207ZG)	45s
Check CMake usage (NUCLEO_H743ZI2)	49s
Check CMake usage (NUCLEO_F303RE)	46s
Check CMake usage (NUCLEO_L552ZE_Q)	51s
Check CMake usage (NUCLEO_G474RE)	48s
Check CMake usage (NUCLEO_L073RZ)	45s
Check CMake usage (NUCLEO_WL55JC1)	50s
Check CMake usage (NUCLEO_WBA55CG)	47s
Check CMake usage (NUCLEO_U083RC)	47s
Check CMake usage (NUCLEO_F411RE)	46s
Check CMake usage (NUCLEO_U575ZI_Q)	51s
Check CMake usage (NUCLEO_L152RE)	34s
Check CMake usage (P_NUCLEO_WB55RG)	38s
Check CMake usage (NUCLEO_L476RG)	48s
	14m 37s

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