ARM: stm32: add a new SoC - STM32H747

The STM32H747 is a dual-core MCU (Cortex-M7 running up to 480 MHz +
Cortex-M4 running up to 240 MHz) containing from 1 to 2 Mbytes of Flash
memory and 1 Mbyte of internal RAM.

Signed-off-by: Dario Binacchi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Torgue <[email protected]>

Author: passgat

arch/arm/mach-stm32/board-dt.c

@@ -17,6 +17,7 @@ static const char *const stm32_compat[] __initconst = {
 	"st,stm32f746",
 	"st,stm32f769",
 	"st,stm32h743",
+	"st,stm32h747",
 	"st,stm32h750",
 	"st,stm32mp131",
 	"st,stm32mp133",