llvm-project

20d1888c - [mlir][tosa] Update the description of `rescale` and `variable` ops (#134815)

[mlir][tosa] Update the description of `rescale` and `variable` ops (#134815) Updates the description to align with the specification. Also includes some small cleanup to `sigmoid`, to avoid confusion. Signed-off-by: Luke Hutton <luke.hutton@arm.com>