[llvm] [llvm][ARM] Make cortex-m85 imply trustzone. (PR #109770)

[David Green via llvm-commits]

davemgreen wrote:

Hi

I'm pretty sure the TrustZone is the AArch32 A-profile extension. Trustzone for Cortex-M is CMSE in the compiler, which is Feature8MSecExt and should be included already via ARMv81mMainline.

https://github.com/llvm/llvm-project/pull/109770