Pull up following revision(s) (requested by tsutsui in ticket #319):
external/mit/xf86-video-intel/dist/src/i830.h: revision 1.3
Make xf86-video-intel driver work on Atom N455 + GMA3150 graphics chipset
by pulling the following change from upstream:
http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/src/i830.h?id=8f64837e56b2de0fb8a9100d1a844fd3f18d751c
> Disable FBC on IGD for UMS
> It appears the new chip doesn't support FBC currently.
Tested on MSI U135DX + NetBSD/i386 6.0_BETA2 with this patch.
Should be pulled up to netbsd-6.

(riz)