[docs] fix build option table format (#8306)
[docs] fix build option table format (#8306)


openthread/openthread,jwhui/openthread,srickardti/openthread,srickardti/openthread,openthread/openthread,openthread/openthread,srickardti/openthread,jwhui/openthread,openthread/openthread,srickardti/openthread,jwhui/openthread,jwhui/openthread