perf/arm-cmn: Broaden module description for wider interconnect support

The current MODULE_DESCRIPTION only mentions CMN-600, but this driver
now supports several Arm mesh interconnects including CMN-650, CMN-700,
CI-700, and CMN-S3.

Update the MODULE_DESCRIPTION to reflect the expanded scope.

Signed-off-by: Zhiyuan Dai <daizhiyuan@phytium.com.cn>
Link: https://lore.kernel.org/r/20250522032122.949373-1-daizhiyuan@phytium.com.cn


Signed-off-by: Will Deacon <will@kernel.org>