video: msm: wfd: Enable logs useful for debugging

Add a few logs that are useful for debugging.  In addition, enabling
WFD_MSG_DBG unconditionally so that we can  take advantage of dynamic
debug.

Change-Id: Id1b616aef1554f04b750207ee14b818e19319b6e
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>