ArmVirtPkg: HighMemDxe: add memory space for the high memory nodes

ArmVirtPkg: HighMemDxe: add memory space for the high memory nodes

Here we add the memory space for the high memory nodes except the lowest
one in FDT. So these spaces will show up in the UEFI memory map.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
[lersek@redhat.com: rewrap at 79 chars, use NULL, print Status]

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19124 6f19259b-4bc3-4df7-8a09-765794883524