radio: iris: Fix the ANR issue

The driver waiting for 10sec to get response from controller
and application ANR will trigger if the response not comes within 5sec.
Reduced timeout value in driver to avoid ANR.

Change-Id: I32fedddae533db547d02cee9ac141b6ef54914de
CRs-Fixed: 868787
Signed-off-by: Venkateshwarlu Domakonda <vdomak@codeaurora.org>
Signed-off-by: Rupesh Tatiya <rtatiya@codeaurora.org>