dt-bindings: pinctrl: aspeed: Update gfx node in example

The example needs updating to match the to be added yaml bindings for
the gfx node.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220304000311.970267-2-joel@jms.id.auSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml

@@ -73,6 +73,7 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/clock/aspeed-clock.h>
     apb {
         compatible = "simple-bus";
         #address-cells = <1>;
@@ -82,6 +83,8 @@ examples:
         syscon: scu@1e6e2000 {
             compatible = "aspeed,ast2500-scu", "syscon", "simple-mfd";
             reg = <0x1e6e2000 0x1a8>;
+            #clock-cells = <1>;
+            #reset-cells = <1>;
 
             pinctrl: pinctrl {
                 compatible = "aspeed,ast2500-pinctrl";
@@ -102,6 +105,12 @@ examples:
         gfx: display@1e6e6000 {
             compatible = "aspeed,ast2500-gfx", "syscon";
             reg = <0x1e6e6000 0x1000>;
+            reg-io-width = <4>;
+            clocks = <&syscon ASPEED_CLK_GATE_D1CLK>;
+            resets = <&syscon ASPEED_RESET_CRT1>;
+            interrupts = <0x19>;
+            syscon = <&syscon>;
+            memory-region = <&gfx_memory>;
         };
     };
 
@@ -128,3 +137,10 @@ examples:
             };
         };
     };
+
+    gfx_memory: framebuffer {
+        size = <0x01000000>;
+        alignment = <0x01000000>;
+        compatible = "shared-dma-pool";
+        reusable;
+    };