staging: csr: csr_wifi_hip_unifi_signal_names: fix indent

Fixed indent style  in the csr_wifi_hip_unifi_signal_names.c
file that were identified by checkpatch.pl tool. All whitespaced
indents are converted into tab characters,  except ones in the
topmost commentation.

Signed-off-by: Hojung Youn <amoc.yn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>