wlan: Tone down the severity level of logs in tx path to WARN (from ERROR)

Some events which result in dropping of packets in tx path are logged as
errors resulting in lower throuputs.
Made changes so that these events now appear as warnings, now we will
need to enable the logs explicitly if we want to see why the packets are
getting dropped.

Change-Id: I068343d9d909d5b5c90c7b14ab41cbedcc069a5e
CR-Fixed: 407219
2 files changed
tree: 6ecb3ec114ba615665052251cd2fd331e8a62b4f
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Kconfig
  5. Makefile