dt-bindings: thermal: rcar-thermal: add R8A77995 support

Update rcar thermal dt-binding to  add R8A77995 info.

Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

Documentation/devicetree/bindings/thermal/rcar-thermal.txt

@@ -3,7 +3,8 @@
 Required properties:
 - compatible		: "renesas,thermal-<soctype>",
 			   "renesas,rcar-gen2-thermal" (with thermal-zone) or
-			   "renesas,rcar-thermal" (without thermal-zone) as fallback.
+			   "renesas,rcar-thermal" (without thermal-zone) as
+                           fallback except R-Car D3.
 			  Examples with soctypes are:
 			    - "renesas,thermal-r8a73a4" (R-Mobile APE6)
 			    - "renesas,thermal-r8a7743" (RZ/G1M)
@@ -12,13 +13,15 @@ Required properties:
 			    - "renesas,thermal-r8a7791" (R-Car M2-W)
 			    - "renesas,thermal-r8a7792" (R-Car V2H)
 			    - "renesas,thermal-r8a7793" (R-Car M2-N)
+			    - "renesas,thermal-r8a77995" (R-Car D3)
 - reg			: Address range of the thermal registers.
 			  The 1st reg will be recognized as common register
 			  if it has "interrupts".
 
 Option properties:
 
-- interrupts		: use interrupt
+- interrupts		: If present should contain 3 interrupts for
+                          R-Car D3 or 1 interrupt otherwise.
 
 Example (non interrupt support):