ARM: dts: k2hk-evm: set ubifs partition size for 512M NAND

The UBIFS partition size was incorrectly defined as for 128M NAND,
but on k2hk-evm installed NAND flash size is 512M.
Hence, correct it.
Signed-off-by: NMurali Karicheri <m-karicheri2@ti.com>
Signed-off-by: NIvan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>

arch/arm/boot/dts/k2hk-evm.dts

@@ -133,7 +133,7 @@
 
 			partition@180000 {
 				label = "ubifs";
-				reg = <0x180000 0x7E80000>;
+				reg = <0x180000 0x1fe80000>;
 			};
 		};
 	};