libpng:host: build static
xbmc-texturepacker: link with -lz
libX11: dont install locales
plymouth-lite: meh -fwhole-program. fails without lto
buildsys: clean up PKG_ARCH

x86_64 is everything I care about.
binutils: cleanup. 64-bit-bfd is no more..
scripts/image: clean up
repository.unofficial.addon.pro: TARGET_ARCH is better...
buildsys: clean up arch leftovers
libevdev: compile with -fPIC