iteritems() was dropped in recent Python3 releases and items() is compatible
with Python 2.7.

During remove previous kernel apt installs latest available kernel

Change-Id: Ife9c1a57257bd790e01a597d1a853cadd38bb03b

The 'system.kernel.elevator' and 'system.kernel.isolcpu' options
have been kept for backward compatibility and should be used in new
fashion way with system.kernel.boot_options parameter.

Change-Id: I51f7167b8b8946500df2065ee6b02bcf21809bc9

* RIL-267 Adding cpu governor and kernel module opts

* RIL-267 Adding cpu governor and kernel module opts

* RIL-267 Adding cpu governor and kernel module opts

- Disable sudo for kitchen tests
 - No update grub on docker/lxc
 - Avoid changing hostname in docker based tests

Change-Id: Ic93ecc4680fb9a44388f494259de28ea9e8a0fc0

Separate cpu for host os from workload.

Change-Id: I5b274a6324fe2fa47c09df82c01e3b95dadb5e53
Epic: PROD-8959

Change-Id: I6ba3d72307805341829fe0f6919e326f3698e833

"names" makes a separate call to the package management frontend to
install each package, whereas "pkgs" makes just a single call so that it
improves performance.