staging: rtl8723bs: remove space after function name

Adhere to Linux kernel coding style.

Reported by checkpatch:

WARNING: space prohibited between function name and open parenthesis

Signed-off-by: Sevinj Aghayeva <sevinj.aghayeva@gmail.com>
Link: https://lore.kernel.org/r/86494fef795f1c3e28c55e556d68b407dadd1488.1649128267.git.sevinj.aghayeva@gmail.com


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