boards: st: nucleo_h753zi: update nucleo_h753zi.yaml

Add support for the RTC and DMA peripherals.
These are required for the DMA and RTC test drivers.

Signed-off-by: Fabrice DJIATSA <[email protected]>

Author: djiatsaf-st

boards/st/nucleo_h753zi/nucleo_h753zi.yaml

@@ -10,6 +10,7 @@ flash: 2048
 supported:
   - arduino_gpio
   - arduino_i2c
+  - dma
   - uart
   - gpio
   - counter
@@ -18,6 +19,7 @@ supported:
   - adc
   - netif:eth
   - spi
+  - rtc
   - usb_device
   - can
 vendor: st