[scudo] Enabling AArch64 support for Scudo

Summary:
Adding ARM64 as a supported architecture for Scudo.
The random shuffle is not yet supported for SizeClassAllocator32, which is used
by the AArch64 allocator, so disable the associated test for now.

Reviewers: kcc, alekseyshl, rengolin

Reviewed By: rengolin

Subscribers: aemerson, mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D28960

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@293068 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed