Marl now exposes this as PUBLIC on the target, so it is automatically and implicitly included.

Bug: b/140546382
Change-Id: I9ed331559c7b5cccad3065b4fadeca8380d6e910
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/40973
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>