west.yml: update modules hal stm32 for stm32mp2x

Update west.yml to add the STM32MP2x SoC support in the STM32 HAL.
This is done after the merge of the PRs:

(cherry picked from commit 4ea5fce)

Original-https: //github.com/zephyrproject-rtos/hal_stm32/pull/282
Original-https: //github.com/zephyrproject-rtos/hal_stm32/pull/286
Original-Signed-off-by: Youssef Zini <[email protected]>
GitOrigin-RevId: 4ea5fce
Cr-Build-Id: 8711818149100180625
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8711818149100180625
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: I01fab86e7497425c7640ba1f3138b0e18776f7a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/6651155
Commit-Queue: Yuval Peress <[email protected]>
Tested-by: Yuval Peress <[email protected]>
Tested-by: ChromeOS Copybot <[email protected]>
Reviewed-by: Yuval Peress <[email protected]>

Author: Youssef Zini

west.yml

@@ -245,7 +245,7 @@ manifest:
       groups:
         - hal
     - name: hal_stm32
-      revision: 90f56420db7b2567675f623af09c474eae410814
+      revision: 468e5ad450a75d4baa3eed80e4f77a7700b71203
       path: modules/hal/stm32
       groups:
         - hal