Hi,

Recently, Arm announced the Cortex-M52, delivering increased performance
in DSP and ML along with a range of other features and benefits.
For the completeness of Arm ecosystem, we hope that cortex-m52 support
could be available in gcc-14.

Attached is the patch to support cortex-m52 cpu with MVE and PACBTI enabled in GCC.
Bootstrapped and tested on arm-none-eabi.

Is it OK for trunk?

Regards,
jasonwucj