wlan: Roaming: Clean Logs

Clean the logs and move most of the error levels
log to Warning (or INFO?). Also Put instrumentation
logs for .walk test. (the one help capture sniffer traces):

Change-Id: I8e3641dde04e166d28bfda45a59a2c95331d7947
CR-Fixed: 423500

Conflicts:

	prima/CORE/SME/src/csr/csrNeighborRoam.c
1 file changed
tree: 6bb0dd61aa055715630c5df88b836fc3ce33bca1
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Kconfig
  5. Makefile