Update LLVM revision in pnacl/DEPS. Pulls in:
Update LLVM revision in pnacl/DEPS. Pulls in:

a7324c5 Reject the llvm.powi intrinsic in the PNaCl ABI verifier. [eliben@chromium.org]
f5dd243 Add option to pnacl-abicheck to handle pnacl bitcode This allows running the utility on finalized/frozen pexes. [dschuff@chromium.org]
299c82a Make GlobalOpt's GV-by-alloca replacement work for PNaCl. [eliben@chromium.org]

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3524
R=dschuff@google.com

Review URL: https://codereview.chromium.org/18986010

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@11726 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client