Found 2 other functions taking a
tGATTS_SRV_CHG
argument:
* Function gatt_chk_srv_chg * Description Check sending service changed Indication is required or not * if required then send the Indication * Returns void
* Function gatt_add_srv_chg_clt * Description Add a service chnage client to the service change client queue * Returns Pointer to the service change client buffer; Null no buffer available