dt-bindings: reset: altr,modrst-offset is not required for arm64 SoCFPGA

The property "altr,modrst-offset" is only applicable to arm32 SoCFPGA
platforms, thus it not required for all platforms.

While at it, update my email address.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230719132749.661914-1-dinguyen@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/reset/altr,rst-mgr.yaml

@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Altera SOCFPGA Reset Manager
 
 maintainers:
-  - Dinh Nguyen <dinguyen@altera.com>
+  - Dinh Nguyen <dinguyen@kernel.org>
 
 properties:
   compatible:
@@ -32,9 +32,17 @@ properties:
 required:
   - compatible
   - reg
-  - altr,modrst-offset
   - '#reset-cells'
 
+if:
+  properties:
+    compatible:
+      contains:
+        const: altr,stratix10-rst-mgr
+then:
+  properties:
+    altr,modrst-offset: false
+
 additionalProperties: false
 
 examples: