bcm968380gerg: add initial support

This add the initial support of the broadcom reference
board bcm968380gerg with a bcm68380 SoC.

This board has 512 MB of RAM, 128 MB of flash (nand),
2 USB port, 1 UART, 4 ethernet ports and BCM43217 (wifi).

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
index ce02028..5219965 100644
--- a/arch/mips/mach-bmips/Kconfig
+++ b/arch/mips/mach-bmips/Kconfig
@@ -136,6 +136,17 @@
 choice
 	prompt "Board select"
 
+config BOARD_BROADCOM_BCM968380GERG
+	bool "Broadcom bcm968380gerg"
+	depends on SOC_BMIPS_BCM6838
+	select BMIPS_SUPPORTS_BOOT_RAM
+	help
+	  Broadcom BCM968380GERG reference board with BCM68380 SoC with 512 MB
+	  of RAM and 128 MB of flash (nand).
+	  Between its different peripherals there's an integrated switch with 4
+	  ethernet ports, 2 USB ports, 1 UART, GPIO buttons and LEDs, and
+	  a BCM43217 (PCIe).
+
 config BOARD_COMTREND_AR5315U
 	bool "Comtrend AR-5315u"
 	depends on SOC_BMIPS_BCM6318
@@ -264,6 +275,7 @@
 config BMIPS_SUPPORTS_BOOT_RAM
 	bool
 
+source "board/broadcom/bcm968380gerg/Kconfig"
 source "board/comtrend/ar5315u/Kconfig"
 source "board/comtrend/ar5387un/Kconfig"
 source "board/comtrend/ct5361/Kconfig"