readd DBGMCU back into F3 and F3v2

data/registers/rcc_f3.yaml

@@ -389,6 +389,10 @@ fieldset/APB2ENR:
       description: TIM20 timer clock enable
       bit_offset: 20
       bit_size: 1
+    - name: DBGMCUEN
+      description: MCU debug module clock enable
+      bit_offset: 22
+      bit_size: 1
     - name: HRTIM1EN
       description: High Resolution Timer 1 clock enable
       bit_offset: 29
@@ -440,6 +444,10 @@ fieldset/APB2RSTR:
       description: TIM20 timer reset
       bit_offset: 20
       bit_size: 1
+    - name: DBGMCURST
+      description: Debug MCU reset
+      bit_offset: 22
+      bit_size: 1
     - name: HRTIM1RST
       description: High Resolution Timer1 reset
       bit_offset: 29

data/registers/rcc_f3_v2.yaml

@@ -412,6 +412,10 @@ fieldset/APB2RSTR:
       description: TIM19 timer reset
       bit_offset: 19
       bit_size: 1
+    - name: DBGMCURST
+      description: MCU debug module clock enable
+      bit_offset: 22
+      bit_size: 1
     - name: SDADC1RST
       description: SDADC1 (Sigma delta ADC 1) reset
       bit_offset: 24