initfs: find apkovls on boot media

initramfs-init

@@ -161,6 +161,9 @@ for i in usb floppy cdrom; do
 	[ -f "$ovl" ] && break
 	umount /media/$i 2>/dev/null
 done
+if ! [ -f "$ovl" ]; then
+	ovl=$(find_ovl $ALPINE_MNT)
+fi
 
 if [ -f "$ovl" ]; then
 	ebegin "Loading user settings from $ovl"