STM32G0 and G4 uses the same flash driver as the stm32l4x
Change-Id: Ic1c4be70aaee809536912e0390f07893efb9a082
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/5482
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>