build.sh: add xf86-input-penmount to the regular build
build.sh: add xf86-input-penmount to the regular build

This module has a yearly release and is included in Debian.

Signed-off-by: Gaetan Nadon <8a8cc541338200f67d4d0bcb65c78b6166649462@videotron.ca>

tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular,tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular,freedesktop-unofficial-mirror/xorg__util__modular