lg-hammerhead: add rmi_i2c module into initramfs for early touchscreen

Module rmi_i2c provides touchscreen support needed by osk-sdl and fbkeyboard.

device/testing/device-lg-hammerhead/APKBUILD

@@ -2,7 +2,7 @@
 # Contributor: Martijn Braam <martijn@brixit.nl>
 pkgname=device-lg-hammerhead
 pkgver=2
-pkgrel=18
+pkgrel=19
 pkgdesc="Google Nexus 5"
 url="https://postmarketos.org"
 arch="armv7"
@@ -62,7 +62,7 @@ nonfree_firmware() {
 	mkdir "$subpkgdir"
 }
 
-sha512sums="f6070f1f359d9b9bb28eea0cb12f238c7d02b42f0c08bc41f826bf66ccb4750bfecb7038c3d3ee1c0d3ed63985d3f054b2702c349626118f06ac3770045500a5  deviceinfo
+sha512sums="3530acdd7ea124b563601d997f8e75033008d10820bd96eb97293564f3616a60b2534ef569362cdadc5addc934fcb6b5cc38dd8bd190f72a806153a2f81a43a0  deviceinfo
 4c22070223f39c419260a6817e5cc2b7881c095deeba031363a5634842dd175dd67eecace980849f0553de79110ef4e43a66143d71433805cd916c37fe7248e9  weston.ini
 0a9da551fa9d48d8a663f6bc74e8a7d6e2d2a6e009bd163fa46cd302e75656ad7ae57402a0bd70614ec253e0f2445b4c6999df07104f4c657ed630305c7f40d4  xorg.conf
 d8ce60ea7acaabf627ddca2f0887a4cda46f313b7aaf7934bef2fef8a6e0798ccefab849e4571e4e3fcd06ae34c1a6efe3b58b401e2e443416f6200e6d4ea769  modules-load.conf