west.yml: update zephyr to 5bef4a9d626

Total of 686 commits.

Changes include:

68be678c4b9 intel_adsp: tlb: Configure HPSRAM retention mode after power
            transitions
a1adced1c42 intel_adsp: ace: Remove redundant HPSRAM init from D3
            restore
91d17f69312 kernel: add k_thread_absolute_deadline_set call
df40dff6fb1 arch: xtensa: clean up interrupt handling
827a4f73874 coredump: xtensa: Add support for
            ARCH_SUPPORTS_COREDUMP_STACK_PTR

Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>

Author: tmleman

west.yml

@@ -43,7 +43,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: 9f4bd38ef7d3b52a41e715f45c9a4b2d9caf3bc4
+      revision: 5bef4a9d6264761c10d739b345eb2f7ded719099
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision