KVM: arm64: Fix comment for kvm_reset_vcpu()

The comment for kvm_reset_vcpu() refers to the sysreg table as
being the table above, probably because of the code extracted at
commit f4672752 ("arm64: KVM: virtual CPU reset").

Fix the comment to remove the potentially confusing reference.

Signed-off-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211208193257.667613-2-tabba@google.com