Update tun and ppp from 3.0.x
Also update defconfig to mock p1 net device setup

Signed-off-by: scotthartbti <scott@ubuntu.com>
Signed-off-by: scott <scott@ubuntu.com>

Conflicts:
	include/linux/skbuff.h

Conflicts:
	arch/arm/configs/aries_infuse4g_defconfig