Automatic merge from submit-queue
HugePages feature
**What this PR does / why we need it**:
Implements HugePages support per https://github.com/kubernetes/community/pull/837
Feature track issue: https://github.com/kubernetes/features/issues/275
**Special notes for your reviewer**:
A follow-on PR is opened to add the EmptyDir support.
**Release note**:
```release-note
Alpha support for pre-allocated hugepages
```