[][openwrt][common][config][Add AN8855 dsa and gsw config in alphabetical order]

[Description]
Add AN8855 dsa and gsw config in alphabetical order.

Without this patch, kernel build flow might ask user to select AN8855
configuration or not.

[Release-log]
N/A

Change-Id: I2527cdec74d764f41d167150ea1c6b896722a3bb
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8834185
4 files changed