linux-postmarketos-qcom-sm8150: switch to installkernel-pmos (MR 2586)

main/linux-postmarketos-qcom-sm8150/APKBUILD

@@ -6,7 +6,7 @@
 _flavor="postmarketos-qcom-sm8150"
 pkgname=linux-$_flavor
 pkgver=5.12
-pkgrel=3
+pkgrel=4
 pkgdesc="Mainline Kernel fork for SM8150 devices"
 arch="aarch64"
 _carch="arm64"
@@ -16,7 +16,14 @@ options="!strip !check !tracedeps
 	pmb:cross-native
 	pmb:kconfigcheck-nftables
 	"
-makedepends="bison findutils flex installkernel openssl-dev perl"
+makedepends="
+	bison
+	findutils
+	flex
+	openssl-dev
+	perl
+	postmarketos-installkernel
+"
 
 _repo="linux"
 _config="config-$_flavor.$arch"