dt-bindings: thermal: rcar-gen3-thermal: use positive logic

When handling the V3U/r8a779a0 exception, avoid using 'not:' because
then its subschemas are far away in the 'else:' branch. Keep them
together using positive logic.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220610201701.7946-1-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml

@@ -57,13 +57,21 @@ required:
   - "#thermal-sensor-cells"
 
 if:
-  not:
-    properties:
-      compatible:
-        contains:
-          enum:
-            - renesas,r8a779a0-thermal
+  properties:
+    compatible:
+      contains:
+        enum:
+          - renesas,r8a779a0-thermal
 then:
+  properties:
+    reg:
+      items:
+        - description: TSC0 registers
+        - description: TSC1 registers
+        - description: TSC2 registers
+        - description: TSC3 registers
+        - description: TSC4 registers
+else:
   properties:
     reg:
       minItems: 2
@@ -73,15 +81,6 @@ then:
         - description: TSC3 registers
   required:
     - interrupts
-else:
-  properties:
-    reg:
-      items:
-        - description: TSC0 registers
-        - description: TSC1 registers
-        - description: TSC2 registers
-        - description: TSC3 registers
-        - description: TSC4 registers
 
 additionalProperties: false