configs: Add config fragments for big LITTLE IKS

This patch adds config fragments used to enable most of the features used by
big LITTLE IKS.

Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>
(cherry picked from commit 34319fb8e6f1e9c13e379383c8d1311f6b7e0cd2)
Signed-off-by: Mark Brown <broonie@linaro.org>