Introduce INI "ndp_max_sessions" to configure max number of ndp
sessions host supports. Firmware advertises max number of ndp
sessions supported in wmi_service_ready_ext2 event. If the firmware
advertises non-zero value of max ndp sessions then host configures
max ndp sessions support in firmware using WMI_INIT_CMD.
Host uses a minimum of "ndp_max_sessions" value and firmware
advertised max ndp session value to configure max number of ndp
sessions in firmware.
Change-Id: I613815f384f9b0a61711324c85ecfa095d133360
CRs-Fixed: 2673120
a6afc073d0