Change default debugfs directory that mount for debugging
IWMC3200(Intel Wireless Multicomm 3200 WiFi driver).

As we all know, We need change default directory for consistency of
debugfs by Greg.K.H
Signed-off-by: NGeunSik Lim <geunsik.lim@samsung.com>
Acked-by: NZhu Yi <yi.zhu@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>