modules: hal_stm32: update the HAL to integrate I2C8 clock configuration

Update hal_stm32 to include the modifications allowing to read the I2C8
clock frequency in the same way as I2C1-7.

Signed-off-by: Tanguy Raufflet <tanguy.raufflet@savoirfairelinux.com>

Author: Tanguy Raufflet

west.yml

@@ -245,7 +245,7 @@ manifest:
       groups:
         - hal
     - name: hal_stm32
-      revision: 468e5ad450a75d4baa3eed80e4f77a7700b71203
+      revision: pull/293/head
       path: modules/hal/stm32
       groups:
         - hal