trusty: Disable C11 atomics

The AOSP Clang stdatomic.h header (which is actually the bionic header,
not the LLVM one) does not build against musl, since musl does not
include a sys/cdefs.h header. Until this is resolved, we are disabling
the C11 atomics usage in BoringSSL.

Test: build.py
Bug: 194209538
Change-Id: I4d2a658e4563092bc7e75a70020a4a8de2acf3e2
1 file changed