Revert "linux-postmarketos-allwinner: HACK: disable cross-native"

This was only needed as a temporary workaround[1].

This reverts commit a184bf63e2.

 [1]: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8295#note_546725

Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8476>

.ci/testcases/test_kernel.py

@@ -21,9 +21,6 @@ def test_aports_kernel():
         if aport_name == "linux-pam-pmos":
             continue  # This package isn't a linux kernel!
 
-        if aport_name == "linux-postmarketos-allwinner":
-            continue  # Hack to work around issue (see git blame)
-
         if "pmb:cross-native" not in apkbuild["options"]:
             raise RuntimeError(f"{aport_name}: \"pmb:cross-native\" missing in"
                                " options= line")

device/community/linux-postmarketos-allwinner/APKBUILD

@@ -4,7 +4,7 @@ _flavor=postmarketos-allwinner
 _config="config-$_flavor.$CARCH"
 pkgname=linux-$_flavor
 pkgver=6.18.3_git20260105
-pkgrel=1
+pkgrel=2
 _tag="orange-pi-6.18-20260105-0049"
 pkgdesc="Kernel fork with Pine64 patches (megi's tree, slightly patched)"
 arch="aarch64 armv7"
@@ -29,6 +29,7 @@ makedepends="
 	bash
 	"
 options="!strip !check !tracedeps
+	pmb:cross-native
 	pmb:kconfigcheck-community
 	"
 source="$pkgname-$_tag.tar.gz::https://codeberg.org/megi/linux/archive/$_tag.tar.gz