UPSTREAM: arm64: Add Cortex-X2 CPU part definition

commit 72bb9dcb upstream.

Add the CPU Partnumbers for the new Arm designs.

Bug: 215557547
Cc: Will Deacon <will@kernel.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1642994138-25887-2-git-send-email-anshuman.khandual@arm.com


Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Icd167e5cd6b4087f0a02c11d3dae9d603926e105
(cherry picked from commit 6d1f2678)