EdkShellPkg: Add Aarch64 support

* Update the EFI Shell patch to use SVN rev 64 (was rev 61)
* Modify build system to enable compilation targeting Aarch64 platform.
* Modify patch to apply on EdkShell sources to add support for Aarch64.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14699 6f19259b-4bc3-4df7-8a09-765794883524
ArmPkg/CpuDxe: Fixed the condition that checks if the level-1 descriptor points to a level-2 page table

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14700 6f19259b-4bc3-4df7-8a09-765794883524
LcdGraphicsOutputDxe: Fix BltVideoFill for non-32-bit architectures

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14701 6f19259b-4bc3-4df7-8a09-765794883524
ArmPlatformPkg/LcdGraphicsOutputDxe: Call LcdShutdown() on ExitBootServices() if PcdGopDisableOnExitBootServices

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14702 6f19259b-4bc3-4df7-8a09-765794883524
SemihostFs: Fix check for read-only file or file-open

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14703 6f19259b-4bc3-4df7-8a09-765794883524
ArmPkg/ArmLib: Revert change 'Fixed field shifting in CLIDR_EL1 (AArch64)'

The shift by 1 on the left was expected. It eases the access to CSSELR and set/way operations
where the cache level field is at the BIT1 position.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14704 6f19259b-4bc3-4df7-8a09-765794883524
LcdGraphicsOutputDxe: Update FrameBufferSize as per UEFI spec section 11.9

The shift by 1 on the left was expected. It eases the access to CSSELR and set/way operations
where the cache level field is at the BIT1 position.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14705 6f19259b-4bc3-4df7-8a09-765794883524
MmcDxe Diagnostics: return EFI_UNSUPPORTED for Language other than english

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14706 6f19259b-4bc3-4df7-8a09-765794883524