raspberry-pi0: move openrc scripts to subpackages (MR 5688)

device/testing/device-raspberry-pi0/APKBUILD

@@ -2,14 +2,14 @@
 pkgname=device-raspberry-pi0
 pkgdesc="Raspberry Pi Zero"
 pkgver=1
-pkgrel=1
+pkgrel=2
 url="https://postmarketos.org"
 license="MIT"
 arch="armhf"
 options="!check !archcheck"
 depends="postmarketos-base raspberrypi-bootloader linux-rpi bluetooth-raspberry-pi"
 makedepends="devicepkg-dev"
-install="$pkgname.post-install $pkgname.post-upgrade"
+subpackages="$pkgname-openrc"
 source="deviceinfo modules-initfs config.txt usercfg.txt cmdline.txt 95-vchiq-permissions.rules"
 
 build() {
@@ -25,6 +25,13 @@ package() {
 		"$pkgdir"/etc/udev/rules.d/95-vchiq-permissions.rules
 }
 
+openrc() {
+	install_if="$pkgname=$pkgver-r$pkgrel openrc"
+	install="$subpkgname.post-install $subpkgname.post-upgrade"
+
+	mkdir -p "$subpkgdir"
+}
+
 sha512sums="
 98927951d5c1302798e5af1f79170eb4236d40978fa84f63748b8aba51eef86f5cb8597d63ca37b8bf12bbc3382d09ed8ec842261d3135734f497c22898d2ea9  deviceinfo
 09540960017460809c091457ba9f96b0d12c8a12ef300b77017651bf1492e66440244502ccf22fb8c58d0362751366ef1acf1c5a60b0698c1dda530f0945c17f  modules-initfs

device/testing/device-raspberry-pi0/device-raspberry-pi0-openrc.post-upgrade

@@ -0,0 +1 @@
+./device-raspberry-pi0-openrc.post-install

device/testing/device-raspberry-pi0/device-raspberry-pi0.post-upgrade

@@ -1 +0,0 @@
-device-raspberry-pi0.post-install