UPSTREAM: perf: pmuv3: Move inclusion of kvm_host.h to the arch-specific helper

KVM host support is available only on arm64.

By moving the inclusion of kvm_host.h to an arm64-specific file,
the 32bit architecture will be able to implement dummy helpers.

Change-Id: I219958c7d95fa89b3fadcfaa73eec7392717a534
Signed-off-by: Zaid Al-Bassam <zalbassam@google.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230317195027.3746949-5-zalbassam@google.com


Signed-off-by: Will Deacon <will@kernel.org>
(cherry picked from commit 11fba29a)
Signed-off-by: Danesh Petigara <danesh.petigara@broadcom.com>