lg-hammerhead: add subpackage unl0kr (MR 4989)

To get unl0kr working, add subpackage unl0kr for the quirk.

device/testing/device-lg-hammerhead/10-unl0kr.conf

@@ -0,0 +1,2 @@
+[quirks]
+fbdev_force_refresh=true

device/testing/device-lg-hammerhead/APKBUILD

@@ -1,7 +1,7 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-lg-hammerhead
-pkgver=5
-pkgrel=6
+pkgver=6
+pkgrel=0
 pkgdesc="Google Nexus 5"
 url="https://postmarketos.org"
 arch="armv7"
@@ -15,8 +15,13 @@ depends="
 	swclock-offset
 "
 makedepends="devicepkg-dev"
-subpackages="$pkgname-phosh $pkgname-x11 $pkgname-nonfree-firmware:nonfree_firmware"
+subpackages="
+	$pkgname-phosh
+	$pkgname-unl0kr
+	$pkgname-x11
+	$pkgname-nonfree-firmware:nonfree_firmware"
 source="
+	10-unl0kr.conf
 	bt-module-deps.conf
 	deviceinfo
 	modules-initfs
@@ -33,6 +38,13 @@ package() {
 	devicepkg_package $startdir $pkgname
 }
 
+unl0kr() {
+	install_if="$pkgname unl0kr"
+	depends=""
+	install -Dm644 "$srcdir"/10-unl0kr.conf \
+		-t "$subpkgdir"/etc/unl0kr.conf.d
+}
+
 x11() {
 	install_if="$pkgname xorg-server"
 	depends="
@@ -69,6 +81,7 @@ nonfree_firmware() {
 }
 
 sha512sums="
+f700af3145b79d1ef9edfb22982899b25cabfb212f9620dcbd3a2e6f44b5ad591e0a66056c6fcd66c3fde89a2b5f551e8a8fe2e65cf0e2a48adec57c027d7825  10-unl0kr.conf
 6cef5f8ae1785ac16e6fe84bfc861ac50cdfb94db35d764f44a25c960e123cb82f6e56f45362a5340c62a3d5ac225f2689afd4f6964cb88305a0892ba44214f0  bt-module-deps.conf
 e08c892a358d99296208f98ba07813eb82c192269cdcaa727d988a3fa8ffb01f3489d9ae5b4074d96578706c7882f52ea8abc6fc4aabdf384bcb7fdc5670b519  deviceinfo
 fd639faebbee2c0c2c227710678376e0d039b7d96a62103f7ba7e6304d7060023f09064918e93a125465d20d125c0334225680521a7aeae5a43d77d7360c180c  modules-initfs