While this driver is meant for MIPS only, it can be compiled on x86 just
fine. Remove pointless parentheses while at it.

Enables CI building of this driver.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240905194938.8453-2-rosenp@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>