wcnss: Add API to send IRIS name

As per requirement, user need to check WLAN RF card
preset on device at run time. WLAN host driver use
this API to get the IRIS card name.

CRs-Fixed: 831585
Change-Id: I8bd71cab7f998cde01bd43068b8dfbfc5817fb7f
Signed-off-by: Anand N Sunkad <asunka@codeaurora.org>