perf/amd/uncore: Allow the driver to be built as a module

mainline inclusion
from mainline-v5.15-rc1
commit 05485745
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5YLE2


CVE: NA

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Add support to build the AMD uncore driver as a module.

This is in order to facilitate development without having
to reboot the kernel in most cases.

Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210817221048.88063-8-kim.phillips@amd.com


Signed-off-by: Xie Haocheng <haocheng.xie@amd.com>