ramips: add HAME MPR-A2 support

This patch adds support for HAME MPR-A2 router using a DTS file.
The platform is Ralink RT5350.
http://wiki.openwrt.org/toh/hame/mpr-a2

Signed-off-by: Dmitry Shmygov <shmygov@rambler.ru>

SVN-Revision: 36898

target/linux/ramips/base-files/lib/preinit/06_set_iface_mac

@@ -26,6 +26,7 @@ preinit_set_mac_address() {
 	dir-620-a1 |\
 	esr-9753 |\
 	freestation5 |\
+	mpr-a2 | \
 	nw718 |\
 	psr-680w |\
 	rt-n56u |\

target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips

@@ -6,6 +6,18 @@
 . /lib/ramips.sh
 
 ramips_set_preinit_iface() {
+	local board=$(ramips_board_name)
+
+	case "$board" in
+	mpr-a2)
+		#TODO
+		# Ralink ethernet driver cannot re-open ethernet if it is opened during preinit and then closed.
+		# Looks like Ralink ethernet driver has a problem.
+		# Temporary solution is not to open ethernet during preinit.
+		return 0
+		;;
+	esac
+
 	ifname=eth0
 }