[ARM] Remove unused includes (NFC) (#116155)

Identified with misc-include-cleaner.

[LLVM][ARM] Latency mutations for cortex m55,m7 and m85 (#115153)

This patch adds latency mutations as a scheduling related speedup for
the above mentioned cores. When benchmarking this pass on sel

[LLVM][ARM] Latency mutations for cortex m55,m7 and m85 (#115153)

This patch adds latency mutations as a scheduling related speedup for
the above mentioned cores. When benchmarking this pass on selected
benchmarks we see a performance improvement of 1% on most benchmarks
with some improving by up to 6%.

Author: David Penry <david.penry@arm.com>
Co-authored-by: Nashe Mncube <nashe.mncube@arm.com

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