staging: rtl8723bs: combine both sides of conditional statement

Both sides of conditional statement are the same except for the comment.
Additional instances found with git grep.

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rebecca Mckeever <remckee0@gmail.com>
Link: https://lore.kernel.org/r/23cfd782614e09f57a514aab68407183702b0a2c.1649120568.git.remckee0@gmail.com


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