BTM_BleDataSignature() function

SMP_INCLUDED == TRUE * Function BTM_BleDataSignature * Description This function is called to sign the data using AES128 CMAC * algorithm. * Parameter bd_addr: target device the data to be signed for. * p_text: singing data * len: length of the data to be signed. * signature: output parameter where data signature is going to * be stored. * Returns TRUE if signing successful, otherwise FALSE.