Revert section changes for ASM.

This change reverts the following commits:
  72d9cba7cb78ddc9c8ec3f27a9367c407f7d0915
  5b61b9ebc5ad0e25475f2aa633d3a6592dd65ba1
  3f85e04f40c12282021241b393d94901e5c1027b
  2ab24a2d40fd193a25d7c94072596a1180cbb460

Change-Id: I669b83f2269cf96aa71a649a346147b9407a811e
Reviewed-on: https://boringssl-review.googlesource.com/6056
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
10 files changed