AVR32: ATNGW100 board support

Add support for the ATNGW100 Network Gateway reference design,
including flash, ethernet and MMC support.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
diff --git a/board/atmel/atngw100/config.mk b/board/atmel/atngw100/config.mk
new file mode 100644
index 0000000..9a794e5
--- /dev/null
+++ b/board/atmel/atngw100/config.mk
@@ -0,0 +1,3 @@
+TEXT_BASE		= 0x00000000
+PLATFORM_RELFLAGS	+= -ffunction-sections -fdata-sections
+PLATFORM_LDFLAGS	+= --gc-sections