OpenVariableRuntimeDxe: Transfer AcpiGlobalVariable from real to emulated NVRAM to preserve wake from S3 on EFI 1.1 systems

Fixes https://github.com/acidanthera/bugtracker/issues/2067

- Correctly initialize max click duration and double click speed
- Don't initialize poll times statically
- Bound polling to 32-bit values
- Use unsigned values for pointer position

AcpiSamples: Remove extra copy-pasted line in comment (already exists in correct position at end of patch 1)

closes https://github.com/acidanthera/bugtracker/issues/2119

 - Compatible with earlier macOS (Snow Leopard+ tested)
 - Automatically installs as launch daemon (Yosemite+) or logout hook

Hyper-V device paths changed to allow for hot add/remove of disks per https://github.com/acidanthera/MacHyperVSupport/commit/fde5737fbb3e3fe85e6633d0320fab92e5739951.

This commit adds basic set of NetworkPkg drivers with HTTP boot support

MSRs MSR_IA32_EXT_CONFIG and MSR_CORE_FSB_FREQ are not supported on P4 platforms, limiting to Yonah and newer only

Utilities: Introduce TestProcessKernel tool for testing kext injection/patching from config, by @mhaeuser (#369)