boards: arm: stm32h747i_disco_m4

change choosen sram name

Signed-off-by: Alexander Kozhinov <AlexanderKozhinov@yandex.com>

Author: Alexander Kozhinov

boards/arm/stm32h747i_disco/stm32h747i_disco_m4.dts

@@ -17,7 +17,7 @@
 	chosen {
 		/* zephyr,console = &usart1; */
 		/* zephyr,shell-uart = &usart1; */
-		zephyr,sram = &sram1;
+		zephyr,sram = &ahb_sram1;
 		zephyr,flash = &flash1;
 	};