wlan: Replace __FUNCTION__ argument with __func__ in the wlan driver

The fix is to not use the gcc specific __FUNCTION__ to capture function
name; but use __func__  which is a C-99 standard identifier

Change-Id: Ie36f1bb87a3a4a51ec177ab5b6a253e279401e88
CR-Fixed: NA
88 files changed
tree: ccbc0d9008517f2dd77cd81664eb01661e3362a6
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Kconfig
  5. Makefile