CHROMIUM: BACKPORT: FROMLIST: kvm: arm64: Add support for get_freqtbl service

This service allows guests to query the host for the frequency table
of the CPU that the vCPU is currently running on.

Co-developed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: David Dai <davidai@google.com>
(am from https://patchwork.kernel.org/patch/13194985/)
(also found at https://lore.kernel.org/r/20230330224348.1006691-5-davidai@google.com

)

Conflicts:
   arch/arm64/include/uapi/asm/kvm.h
   arch/arm64/kvm/hypercalls.c
   include/linux/arm-smccc.h
   tools/arch/arm64/include/uapi/asm/kvm.h

BUG=b:249685960
TEST=Build
UPSTREAM-TASK=b:256983979

Change-Id: Iabf63ed887da1463df8e3962377bde64ce9dda3f
Signed-off-by: Masami Hiramatsu <mhiramat@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/4236483


Reviewed-by: Suleiman Souhlal <suleiman@chromium.org>