crosvm: Iterate over list of MSRs.
crosvm: Iterate over list of MSRs.

Instead of calling method each time, prepare a list and then iterate
over so that it's clearer we are doing the same thing many times.

BUG=b:215297064
TEST=build

Change-Id: I2556a9c12baa90ac0e5fa98e488e0586b1a4f010
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3653341
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Reviewed-by: Daniel Verkamp <72bc170b46ec491f7bdd4359a1c0bfed274de40c@chromium.org>
Commit-Queue: Junichi Uekawa <6bd240a6ce32463e272bb69c685a8e946b33ac05@chromium.org>

google/crosvm,google/crosvm,google/crosvm,google/crosvm