Update MASTER_SITE
Don't pickup linux/input.h, this should fix plist failure because the evdev
modules is build (which is useless for us). [2]
Disable alsa support..
Remove FreeBSD 6.x patch.
Disable mmap support on FreeBSD versions that don't have support for it. [1]
PR: ports/161567 [2]
Submitted by: avg@ [1]
Reported by: Takefu <takefu@airport.fm> [2]