* export xcm_pallet config

Signed-off-by: Cheng JIANG <[email protected]>

* run format

Signed-off-by: Cheng JIANG <[email protected]>

* fix typo

Signed-off-by: Cheng JIANG <[email protected]>

* add generic parameter to support different runtimes

* Revert "add generic parameter to support different runtimes"

This reverts commit 4405ea9fab24307318ffc20a833010fe864b3be3.