hp/pavilion_m6_1035dx: Fix GPIO map and add WLAN pin

Change-Id: I07725b71508c8b08451022307ae934c1b227f7f9
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/5491
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>