staging: rtl8723bs: hal: remove space before tabs

Remove unnecessary space before tabs to conform with Linux kernel
coding style.
Reported by checkpatch in file Hal8723BReg.h

Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Link: https://lore.kernel.org/r/9694aafb614bdcbb15fdea614502c1b31a534871.1618243073.git.martinsdecarvalhobeatriz@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>