Adding support for kvmclock
Adding support for kvmclock

In order to get the kvmclock initialized,
the KVM_GUEST needs to be enabled in the
linux kernel config. It further depends on:
HYPERVISOR_GUEST [=y] && PARAVIRT [=y].

Signed-off-by: Diana Popa <4240422768c1b315e51818a074064501037757cd@amazon.com>

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