MAINTAINERS: add ac5 to list of maintained Marvell dts files

Add ac5 dts files to the list of maintained Marvell Armada dts files
by defining the entry as covering the entire marvell arm64 directory
Signed-off-by: Elad Nachman <enachman@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

MAINTAINERS

@@ -2332,8 +2332,7 @@ F:	arch/arm/boot/dts/marvell/armada*
 F:	arch/arm/boot/dts/marvell/kirkwood*
 F:	arch/arm/configs/mvebu_*_defconfig
 F:	arch/arm/mach-mvebu/
-F:	arch/arm64/boot/dts/marvell/armada*
-F:	arch/arm64/boot/dts/marvell/cn913*
+F:	arch/arm64/boot/dts/marvell/
 F:	drivers/clk/mvebu/
 F:	drivers/cpufreq/armada-37xx-cpufreq.c
 F:	drivers/cpufreq/armada-8k-cpufreq.c