ramips:support Lenovo AC1200 Wireless router

Lenovo AC1200 series has two types, Y1 and Y1S.
Y1S has 256MB DDR2, Y1 only has 128MB and Y1 have no Giga Port.

Signed-off-by: Lintel <lintel.huang@gmail.com>

SVN-Revision: 41961

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

@@ -325,6 +325,12 @@ ramips_board_detect() {
 	*"ZBT WR8305RT")
 		name="wr8305rt"
 		;;
+	*"Lenovo Y1")
+		name="y1"
+		;;
+	*"Lenovo Y1S")
+		name="y1s"
+		;;
 	*)
 		name="generic"
 		;;

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

@@ -96,7 +96,9 @@ platform_check_image() {
 	wrtnode |\
 	x5 |\
 	x8 |\
-	zbt-wa05)
+	zbt-wa05 |\
+	y1 |\
+	y1s)
 		[ "$magic" != "27051956" ] && {
 			echo "Invalid image type."
 			return 1