xiaomi-vayu: move openrc scripts to subpackage (MR 5688)

device/testing/device-xiaomi-vayu/APKBUILD

@@ -3,7 +3,7 @@
 pkgname=device-xiaomi-vayu
 pkgdesc="Xiaomi POCO X3 Pro"
 pkgver=1
-pkgrel=1
+pkgrel=2
 url="https://postmarketos.org"
 license="MIT"
 arch="aarch64"
@@ -22,6 +22,7 @@ source="
 
 subpackages="
 	$pkgname-nonfree-firmware:nonfree_firmware
+	$pkgname-nonfree-firmware-openrc:nonfree_firmware_openrc
 	$pkgname-phosh
 "
 
@@ -47,6 +48,11 @@ nonfree_firmware() {
 		pd-mapper
 		tqftpserv
 		"
+	mkdir "$subpkgdir"
+}
+
+nonfree_firmware_openrc() {
+	install_if="$pkgname-nonfree-firmware=$pkgver-r$pkgrel openrc"
 	install="$subpkgname.post-install"
 	mkdir "$subpkgdir"
 }