wil6210: do not reset FW in STA to P2P client interface switch

Currently the FW is reset on every interface type change, because
of various FW bugs.
FW reset is not required when switching from STA to P2P client, hence
can be skipped.

Change-Id: I84865b3f459b8b0d4a3eeac5418c66ad57fe80fc
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>