I2C update

- Added two missing bit fields for I2CA STATUS register: I2CIDLE and IDLE
- Made STATUS register read-only

svd/va108xx-base.svd.patched

@@ -2157,7 +2157,7 @@
           <name>STATUS</name>
           <description>I2C Controller Status Register</description>
           <addressOffset>0x018</addressOffset>
-          <fields>
+          <access>read-only</access><fields>
             <field>
               <name>WAITING</name>
               <description>Controller is Waiting</description>
@@ -2223,7 +2223,9 @@
               <description>I2C Raw SCL value</description>
               <bitRange>[31:31]</bitRange>
             </field>
-          </fields>
+          <field><name>I2C_IDLE</name><description>I2C bus is Idle</description><bitOffset>0</bitOffset><bitWidth>1</bitWidth></field>
+            <field><name>IDLE</name><description>Controller is Idle</description><bitOffset>1</bitOffset><bitWidth>1</bitWidth></field>
+            </fields>
         </register>
         <register>
           <name>STATE</name>

svd/va108xx-patch.yml

@@ -56,4 +56,18 @@ SYSCONFIG:
           bitOffset: 24
           bitWidth: 1
 
-
+# I2CB is derived from I2CA
+I2CA:
+  _modify:
+    STATUS:
+      access: read-only
+  STATUS:
+    _add:
+      I2C_IDLE:
+        description: I2C bus is Idle
+        bitOffset: 0
+        bitWidth: 1
+      IDLE:
+        description: Controller is Idle
+        bitOffset: 1
+        bitWidth: 1