arm64: dts: meson-g12-common: resolve conflict between canvas & pmu

According to S905X2 Datasheet - Revision 07:

DMC_MON area spans 0xff638080-0xff6380c0
DDR_PLL area spans 0xff638c00-0xff638c34

Round DDR_PLL area size up to 0x40

Fixes: 90cf8e2 ("arm64: dts: meson: Add DDR PMU node")
Signed-off-by: Marc Gonzalez <mgonzalez@freebox.fr>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230327120932.2158389-3-mgonzalez@freebox.fr
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

Author: Zebra345

arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi

@@ -1579,6 +1579,12 @@
 					compatible = "amlogic,canvas";
 					reg = <0x0 0x48 0x0 0x14>;
 				};
+
+				pmu: pmu@80 {
+					reg = <0x0 0x80 0x0 0x40>,
+					      <0x0 0xc00 0x0 0x40>;
+					interrupts = <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>;
+				};
 			};
 
 			usb2_phy1: phy@3a000 {
@@ -1704,12 +1710,6 @@
 			};
 		};
 
-		pmu: pmu@ff638000 {
-			reg = <0x0 0xff638000 0x0 0x100>,
-			      <0x0 0xff638c00 0x0 0x100>;
-			interrupts = <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>;
-		};
-
 		aobus: bus@ff800000 {
 			compatible = "simple-bus";
 			reg = <0x0 0xff800000 0x0 0x100000>;