LLVM was updated to the latest 7.0.1 revision, which includes the proper
fix.

Reverts "Fixed build on Arm 64"
This reverts commit fed67899.

Bug b/123026156
Bug chromium:922089

Change-Id: I1f6ee4d3869e642e6ce2bd8cbf2c8f7553e4a607
Reviewed-on: https://swiftshader-review.googlesource.com/c/24150Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>