staging/rtl8723bs: replace "foo * bar" with "foo *bar"

Correct the coding style error reported by checkpatch.pl.

Signed-off-by: Elena Afanasova <eafanasova@gmail.com>
Link: https://lore.kernel.org/r/20201022205857.6144-1-eafanasova@gmail.com


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