user/grub: -efi should pull in the bits needed to make it work

user/grub/APKBUILD

@@ -132,7 +132,7 @@ bios() {
 
 efi() {
 	pkgdesc="$pkgdesc (EFI version)"
-	depends="$pkgname"
+	depends="$pkgname efibootmgr efivar"
 	mkdir -p $subpkgdir/usr/lib/grub
 	mv $pkgdir/usr/lib/grub/*-efi $subpkgdir/usr/lib/grub/
 }