ARM: dts: socfpga: Add missing NAND reset

The NAND reset is missing from DT, so the reset manager cannot unreset the NAND.
Add the missing DT reset entry.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>

arch/arm/dts/socfpga_arria10.dtsi

@@ -673,6 +673,7 @@
 			interrupts = <0 99 4>;
 			dma-mask = <0xffffffff>;
 			clocks = <&nand_clk>;
+			resets = <&rst NAND_RESET>;
 			status = "disabled";
 		};