mtkmodem: add RIL_REQUEST_STORE_MODEM_TYPE

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
mtkmodem: support suspend/resume registration

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
gril: support RIL_REQUEST_SET_INITIAL_ATTACH_APN

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
mtkmodem: support RIL_REQUEST_SET_INITIAL_ATTACH_APN

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
mtkmodem: send SET_GPRS_CONNECT_TYPE at init

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>
mtkmodem: add MTK_RIL_REQUEST_DETECT_SIM_MISSING

Signed-off-by: You-Sheng Yang <vicamo@gmail.com>