x11/libinput: update to 1.12.6, fixup

Fix previous commit, r491694, by actually removing old patches and adding
new ones. This was missed in the transition from git to svn.

PR: 222905
Reported by: Greg V (original version)
Obtained from: FreeBSDDesktop development repo

		https://github.com/FreeBSDDesktop/freebsd-ports/tree/feature/input-ports

Tested by: tcberner (kde@), andrnils@gmail.com
Sponsored by: B3 Init (zeising)