postmarketos-initramfs: use cross-native

Signed-off-by: Caleb Connolly <caleb@postmarketos.org>

main/postmarketos-initramfs/APKBUILD

@@ -2,10 +2,10 @@
 # Co-Maintainer: Clayton Craft <clayton@craftyguy.net>
 pkgname=postmarketos-initramfs
 pkgver=3.7.5
-pkgrel=0
+pkgrel=1
 pkgdesc="Base files for the postmarketOS initramfs / initramfs-extra"
 url="https://postmarketos.org"
-options="!check"  # no tests
+options="!check pmb:cross-native2"  # no tests
 provides="postmarketos-ramdisk=$pkgver-r$pkgrel"
 provider_priority=10
 depends="