On other ARCH then i386/amd64 keep the old version. Since 7.x is KMS which
is not available on the other ARCHS.
x11-drivers/xf86-video-nv:
Fix nv driver on ppc.
x11-servers/xorg-server:
In the powerpc case of NEW_XORG don't overwrite EXTRA_PATCHES.
Patch update:
< nathanw> it works around the change in behavior in libpciaccess that
the PR mentions
< nathanw> by porting the relevant code from the Linux backend
PR: ports/188278
Submitted by: jmmv@, nwhitehorn@
