ARM: Core Stack Improvements/Bug fixes for 2.3 release

[ioannisg]

ARM Architecture related issues tentatively scheduled for v2.3 release

New features

• [ARM] Support CMSIS-DSP integration (Add CMSIS-DSP #24307)
• [ARM] Add semihosting console (console: Add semihosting console #21073)

Feature Enhancements

• [Enh. ARM Cortex-M] Move Core (Cortex-M) CMSIS in own repository
• [Enh. Cortex-R] Refactor ARM interrupt system (Cortex-A & Cortex-R) (Refactor ARM interrupt system (Cortex-A & Cortex-R) #22718)
• [Enh. Cortex-R] CMSIS support (arch: arm: cortex_r: Add CMSIS support #22740)
• [Enh. Cortex-R] Support nested interrupts (Support nested interrupts on AArch32 (non-Cortex-M) #23636, tests: kernel: interrupt: Rework nested interrupt test #23614)
• [Enh. Cortex-A AArch64] Support nested interrupts (arm: aarch64: Add support for nested exception handlers #23685)
• [Enh. Cortex-M] Clean-up z_arm_reserved from vector exception entries (Arch arm cortex m vector table rework #24012)
• [Enh. Cortex-R] Rework to establish base exception handling framework (arch: arm: aarch32: Rework non-Cortex-M exception handling #24192)
• [Enh. Cortex-A] Add CMSIS Core-A (modules: cmsis: Add CMSIS-Core(A) configurations #24201)
• [Enh. ARM] Update CMSIS version to 5.7.0 (west.yml: Update CMSIS module for CMSIS 5.7.0 release #24257)

Bug Fixes

• [ARM Cortex-M/R] Fix arch_cpu_idle() implementation (arch: arm: aarch32: Fix arch_cpu_idle interrupt masking and add memory barriers #23511, Tests kernel context cpu idle #23652)
• [ARM Cortex-M] Fix and test Cortex-M spurious IRQ handler behavior (Arch arm cortex m spurious fix #23356)
• [ARM Cortex-A] Missing ASM_FILE_PROLOGUE (arm: aarch64: Reintroduce _ASM_FILE_PROLOGUE #23379)
• [ARM Cortex-M] Properly applying ARMv7-M workaround for stack adjustment (ARM: Cortex-M: CPU is not reporting Explicit MemManage Stacking Errors correctly #25612, ARM: Cortex-M: Fixing Context Stacking Error Reporting #25609 )
• [ARM Cortex-M] Fix Stacking Error reporting (ARM: Cortex-M: CPU is not reporting Explicit MemManage Stacking Errors correctly #25612)
• [ARM Cortex-M] Fix workaround placements for ARMv7-M MPU stack size adjustment (Arch arm fix placement of workaround #25654 )