Dylan Baker authored Feb 15, 2024 and Marge Bot committed Feb 16, 2024

This allows intel-rt to be turned on in cases where we're on x86_64 and
we're building anv, but otherwise default to off, while still giving
users the power to ignore those defaults if they want to.

Because of the use of `feature.disable_if` this bumps the Meson
requirement to 1.1. I can get rid of that, but it just makes for a lot
more code than using the helper methods

Part-of: <!27645>