ramips: add support for Airlink101 AR670W

This is a RT2880-based board, 32MB RAM, 4MB flash. The bootloader
is a hacked u-Boot that reads an LZMA image directly, so we skip
generating the uImage header and enable the lzma mtdsplit parser.

Signed-off-by: Claudio Leite <leitec@staticky.com>

SVN-Revision: 43153

target/linux/ramips/base-files/lib/ramips.sh

@@ -28,6 +28,9 @@ ramips_board_detect() {
 	*"A5-V11")
 		name="a5-v11"
 		;;
+	*"Airlink101 AR670W")
+		name="ar670w"
+		;;
 	*"Airlink101 AR725W")
 		name="ar725w"
 		;;