staging: rtl8712: Remove unnecessary parentheses

Remove redundant parentheses reported by checkpatch.

Signed-off-by: Aliya Rahmani <aliyarahmani786@gmail.com>
Link: https://lore.kernel.org/r/20220413182303.34807-1-aliyarahmani786@gmail.com


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