config: add function to simplify patch application.

helpers/config

@@ -280,3 +280,9 @@ sed_csum() {
     echo "> Checksum replace for $1 in progress..."
     grep -rl "$1" "${3:-"./"}" | xargs -r /bin/sed -i "s|$1|$2|"
 }
+
+patch_p1() {
+echo "> Applying $(echo $1|xargs basename):"
+patch --no-backup-if-mismatch -p1 < $1
+}
+