staging: rtl8723bs: Change coding style to (foo *bar)

This coding style (foo *bar) is more common for the kernel code.
Change foo* bar to foo *bar.
Change foo * bar to foo *bar.
Change (foo*) to (foo *).

Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>