staging: rtl8723bs: Fix indenting problem for hal/hal_com.c

Smatch lists the following:

  CHECK   drivers/staging/rtl8723bs/hal/hal_com_phycfg.c
drivers/staging/rtl8723bs/hal/hal_com_phycfg.c:2090 Hal_ChannelPlanToRegulation() warn: inconsistent indenting

Fixed by changing the white space.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>