device-motorola-lux: enabled touchscreen (!584)

device/device-motorola-lux/APKBUILD

 # Reference: <https://postmarketos.org/devicepkg>
 pkgname="device-motorola-lux"
 pkgdesc="Motorola Moto X Play"
-pkgver=0.1
+pkgver=0.2
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -9,7 +9,7 @@ arch="armhf"
 options="!check !archcheck"
 depends="postmarketos-base linux-motorola-lux mkbootimg mesa-dri-swrast msm-fb-refresher"
 makedepends="devicepkg-dev"
-source="deviceinfo"
+source="deviceinfo initfs-hook.sh"
 
 build() {
 	devicepkg_build $startdir $pkgname
@@ -19,5 +19,5 @@ package() {
 	devicepkg_package $startdir $pkgname
 }
 
-
-sha512sums="f58d2ee1acfcd8188872f016595893e2492b75c55aadc0711cc28398ab6715769b43485eb8a293f6d1d024b0b743c9f34a18bd27a7e4f81511c993420c4105f3  deviceinfo"
+sha512sums="f58d2ee1acfcd8188872f016595893e2492b75c55aadc0711cc28398ab6715769b43485eb8a293f6d1d024b0b743c9f34a18bd27a7e4f81511c993420c4105f3  deviceinfo
+1777c382a73b6e45ee6b4f34b1fd996ad1bae42801dec6de6742f9bf6bf0a0fb5648a7b51ac5b79b7df6d026deca3d4b14a13fae02938e845ed564a9a741c171  initfs-hook.sh"

device/device-motorola-lux/initfs-hook.sh

+#!/bin/sh
+
+# activate touchscreen
+echo 1 > /sys/devices/soc.0/78b8000.i2c/i2c-4/4-0020/drv_irq