[][Add smp.sh to openwrt boot up init flow]

[Description]
Add smp.sh to openwrt boot up init flow.

[Release-log]
N/A

Change-Id: I68dd67b805c952e3087d7846068c13415aacb0d6
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4552384
1 file changed