MAINTAINERS: Update u-boot-marvell entry

This patch does the following changes to the u-boot-marvell maintainers
entry:

- Add Armada-7k/8k to the list
- Remove Prafulla and Luka since they have been silent on the list for
  a long time. Please speak up, if you would like to continue or better
  start maintaining.
- Add multiple Marvell / MVEBU related driver directories and files

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Tom Rini <trini@konsulko.com>
Acked-by: Luka Perkov <luka.perkov@sartura.hr>
Signed-off-by: Stefan Roese <sr@denx.de>

MAINTAINERS

@@ -161,16 +161,19 @@ S:	Maintained
 F:	arch/arm/cpu/armv8/hisilicon
 F:	arch/arm/include/asm/arch-hi6220/
 
-ARM MARVELL KIRKWOOD ARMADA-XP ARMADA-38X ARMADA-37XX
-M:	Prafulla Wadaskar <prafulla@marvell.com>
-M:	Luka Perkov <luka.perkov@sartura.hr>
+ARM MARVELL KIRKWOOD ARMADA-XP ARMADA-38X ARMADA-37XX ARMADA-7K/8K
 M:	Stefan Roese <sr@denx.de>
 S:	Maintained
 T:	git git://git.denx.de/u-boot-marvell.git
 F:	arch/arm/mach-kirkwood/
 F:	arch/arm/mach-mvebu/
 F:	drivers/ata/ahci_mvebu.c
-F:	drivers/phy/marvell/
+F:	drivers/ddr/marvell/
+F:	drivers/gpio/mvebu_gpio.c
+F:	drivers/spi/kirkwood_spi.c
+F:	drivers/pci/pci_mvebu.c
+F:	drivers/pci/pcie_dw_mvebu.c
+F:	drivers/watchdog/orion_wdt.c
 
 ARM MARVELL PXA
 M:	Marek Vasut <marex@denx.de>