ar71xx: add default switch configuration for the TL-WDR3500

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@36116 3c298f89-4303-0410-b956-a3cf2f4a3e73
ar71xx: add diag support for the TL-WDR3500

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@36117 3c298f89-4303-0410-b956-a3cf2f4a3e73
ar71xx: remove numeric suffix of the TL-WDR3500 USB LED

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@36118 3c298f89-4303-0410-b956-a3cf2f4a3e73
ar71xx: fix USB power GPIO on the TL-WDR3500

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@36119 3c298f89-4303-0410-b956-a3cf2f4a3e73