mbimcli: do the change that antenna_index parameter 'all' as '0xFFFFFFFF'

Fix mbimcli: do the change that antenna_index 'all' as 0xFFFFFFFF call by --ms-set-sar-config

e.g. after the command the query all sar config show.

mbimcli -p -d /dev/cdc-wdm0 --ms-set-sar-config="os,enabled,[{all,0}]"