MAINTAINERS: Add arm64/intel entry for SoCFPGA

Add arch/arm64/boot/dts/intel/ under Dinh Nguyen.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

MAINTAINERS

@@ -2189,6 +2189,7 @@ F:	arch/arm/mach-socfpga/
 F:	arch/arm/boot/dts/socfpga*
 F:	arch/arm/configs/socfpga_defconfig
 F:	arch/arm64/boot/dts/altera/
+F:	arch/arm64/boot/dts/intel/
 W:	http://www.rocketboards.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git