Fix DMA enum

data/registers/adc_g4.yaml

@@ -615,6 +615,24 @@ enum/DIFSEL:
   - name: Differential
     description: Input channel is configured in differential mode
     value: 1
+enum/DMAEN:
+  bit_size: 1
+  variants:
+  - name: Disable
+    description: DMA disable
+    value: 0
+  - name: Enable
+    description: DMA enable 
+    value: 1
+enum/DMACFG:
+  bit_size: 1
+  variants:
+  - name: OneShotMode
+    description: DMA One Shot mode selected
+    value: 0
+  - name: CircularMode
+    description: DMA Circular mode selected
+    value: 1
 enum/EXTEN:
   bit_size: 2
   variants: