Nova ignores aarch64 while verifying for hugepage and NUMA support.
AARCH64 also supports hugepage and NUMA on the same libvirt versions as of x86.
Hence adding this chek for aarch64 also.
Change-Id: I7b5ae1dbdca4fdd0aee2eefd4099c4c4953b609a
Closes-bug: #1623871