After some enablement work, memory hotplug can be used on arm64.
Here we offer a document to instruct user to enable it.
Fixes: #1854
Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
While we have setup guides for firecracker and ACRN, as these
need additional configuration, it may confuse users looking
at this guide to find mentions of just these 2 hypervisors.
Call out all the hypervisors supported with Kata here.
Fixes#996
Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>