radio: iris: Send proper event to FM frameworks

Send enable, disable event to fm frameworks
when FM TX is turend on/off respectively

(cherry picked from commit 3dad6519412c1de30c8905683047f51a89fd377b)

CRs-fixed: 339470
Signed-off-by: Ayaz Ahmad <aahmad@codeaurora.org>
(cherry picked from commit a9d52055cb0c44b0ffade2d6c8e09c9270960d66)

Change-Id: Icb67cf5455a181c3a0d5f55ebbb33e0ce3df3df5
Signed-off-by: Ramakrishna Prasad N <crpn@codeaurora.org>
radio: iris: Add calibration mode

Do not queue the FM enabled/disabled events
while calibration is in progress

CRs-fixed: 358229
Signed-off-by: Ayaz Ahmad <aahmad@codeaurora.org>
(cherry picked from commit c1e6a95c31cc474f809bb7ab3c036e8890be7709)

Conflicts:

	drivers/media/radio/radio-iris.c

Change-Id: I1c6c6e6546dae4ad415473e50dc902e1c732a12f
Signed-off-by: Ramakrishna Prasad N <crpn@codeaurora.org>