staging: rtl8723bs: Cleanup open brace issues

This cleans up open brace issues reported by checkpatch.pl

Signed-off-by: Fox Chen <foxhlchen@gmail.com>
Link: https://lore.kernel.org/r/20200723093002.6175-1-foxhlchen@gmail.com


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