[][kernel][common][eth][Fix build error for mt7981-AX3000-128M]

[Description]
Fix build error for mt7981-AX3000-128M.

If without this patches, compiler might asserts error messages
for BIT operation in aarch32 environment.

[Release-log]
N/A


Change-Id: Iac8a9cb0f1f050c44af14e3a9e91e2a39e1b04d3
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6621590
Build: srv_hbgsm110
1 file changed