schemas: i2c: Allow for 'i2c-.*' node names

Commit 57138f5 ("schemas: i2c: Avoid extra characters in i2c
nodename pattern") tightened up the allowed node names for I2C
controller nodes, but failed to allow 'i2c-.*' which there are numerous
occurrences.

Signed-off-by: Rob Herring (Arm) <[email protected]>

Author: robherring

dtschema/schemas/i2c/i2c-controller.yaml

@@ -14,7 +14,7 @@ maintainers:
 
 properties:
   $nodename:
-    pattern: "^i2c(@.*)?$"
+    pattern: "^i2c(@.+|-[a-z0-9]+)?$"
 
   i2c-bus:
     type: object