icnss2: Add get info QMI messages support

These QMI messages are used to get certain info from WLAN firmware.
Results of the info request will be passed back to WLAN driver to
do further processing.
These QMI messages can be used to WMI command over QMI and get WMI
event as QMI Indication and send it to WLAN driver.

Change-Id: I8a7b513d95e9f10c815445b8ebd78f81607fb910
Signed-off-by: Naman Padhiar <npadhiar@codeaurora.org>