arm64: zynqmp: Fix User MTD partition size

The commit c8630167e0dc ("arm64: zynqmp: Add mtd partition for secure OS
storage area") didn't update User partition size that's why size was beyond
actual device size.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/0a56405553b87a75e066cd71697cafe7c1c97eef.1681309812.git.michal.simek@amd.com
diff --git a/arch/arm/dts/zynqmp-sm-k26-revA.dts b/arch/arm/dts/zynqmp-sm-k26-revA.dts
index ed75049..f6ed047 100644
--- a/arch/arm/dts/zynqmp-sm-k26-revA.dts
+++ b/arch/arm/dts/zynqmp-sm-k26-revA.dts
@@ -224,7 +224,7 @@
 			};
 			partition@22A0000 {
 				label = "User";
-				reg = <0x22A0000 0x1db0000>; /* 29.5 MB */
+				reg = <0x22A0000 0x1d60000>; /* 29.375 MB */
 			};
 		};
 	};