staging: rtl8723bs: hal: fix condition with no effect

fix warning reorted by coccicheck
WARNING: possible condition with no effect (if == else)

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/20200125134604.GA4247@google.com


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