[ARM] Orion: add RD88F6183AP-GE support

The RD88F6183AP-GE is an access point reference design for the
88F6183 SoC, with a 88E6161 six-port gigabit ethernet switch with
five PHYs (providing 1 WAN and 4 LAN ports and an interface to the
CPU), and a mini-PCIe slot for a wireless card.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
diff --git a/arch/arm/configs/orion5x_defconfig b/arch/arm/configs/orion5x_defconfig
index 18203161..1415cf5 100644
--- a/arch/arm/configs/orion5x_defconfig
+++ b/arch/arm/configs/orion5x_defconfig
@@ -175,6 +175,7 @@
 CONFIG_MACH_WNR854T=y
 CONFIG_MACH_RD88F5181L_GE=y
 CONFIG_MACH_RD88F5181L_FXO=y
+CONFIG_MACH_RD88F6183AP_GE=y
 
 #
 # Boot options