cnss: Add wlan driver callback function of update_status

Add wlan driver callback function of update_status. This
function will be called when platform driver wants to
update wlan driver status.

Change-Id: I2659d3d4a495a4dcc7d87715dfe83c8e4a4ef80b
CRs-fixed: 2010800
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>
Signed-off-by: Kai Liu <kaliu@codeaurora.org>