staging/mei: wd.c normalize debug and error messages

1. use wd: prefix for all messages
2. fix strings
3. change from dev_dbg to dev_err where appropriate

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed