h5 reg fixes.

data/registers/pwr_h5.yaml

@@ -544,16 +544,16 @@ enum/VBRS:
 enum/VOS:
   bit_size: 2
   variants:
-    - name: B_0x0
+    - name: Scale3
       description: scale 3 (default)
       value: 0
-    - name: B_0x1
+    - name: Scale2
       description: scale 2
       value: 1
-    - name: B_0x2
+    - name: Scale1
       description: scale 1
       value: 2
-    - name: B_0x3
+    - name: Scale0
       description: scale 0
       value: 3
 enum/WUPP:

data/registers/rcc_h5.yaml

@@ -2431,6 +2431,9 @@ enum/PLLVCOSEL:
 enum/PPRE:
   bit_size: 3
   variants:
+    - name: Div1
+      description: rcc_pclk3 = rcc_hclk1 / 1
+      value: 0
     - name: Div2
       description: rcc_pclk3 = rcc_hclk1 / 2
       value: 4