wlan: Reload driver if EXIT IMPS REQ fails due to invalid SMD port

If WDI_EXIT_IMPS_REQ request fails  because of SMD port is in
WCTS_STATE_REM_CLOSED then reload WLAN driver so that driver and
therefore SMD port wil be reinitialized.

Change-Id: I34e1d36b338000aebe9319401a852984b42fc284
CRs-Fixed: 746679
Wlan: Revision 3.2.3.450

Revision 3.2.3.450

Change-Id: I9b7b58e4814aee44c30b1f9f946f6b85e4d22410
CRs-Fixed: 688141