staging: rtl8723bs: fix code style comparison warning

checkpatch gives the following WARNING:
WARNING: Comparisons should place the constant on the right side of the test
this patch fixes the coding style warning.

Signed-off-by: Kurt Manucredo <fuzzybritches@protonmail.com>
Link: https://lore.kernel.org/r/20210219182331.8-1-fuzzybritches@protonmail.com


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