west.yml: hal_stm32: add stm32h7rs eth pinctrl

Adds ETH pinctrl to STM32H7RS series

Signed-off-by: Mario Paja <[email protected]>

Author: mariopaja

west.yml

@@ -245,7 +245,7 @@ manifest:
       groups:
         - hal
     - name: hal_stm32
-      revision: 1e753266ddfb4b07a8a0b1ec566e9637ea45d5ef
+      revision: pull/297/head
       path: modules/hal/stm32
       groups:
         - hal