boards: microchip: sam_e54_xpro: add DMA to supported list

Update sam_e54_xpro.yml to include DMA in the supported
features list.

Signed-off-by: Arunprasath P <[email protected]>

Author: ArunMCHP

boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.yaml

@@ -10,6 +10,7 @@ toolchain:
 flash: 1024
 ram: 256
 supported:
+  - dma
   - pinctrl
   - shell
   - uart