west.yml: Update nrf_hw_models version to include nrf53 support

Update nrf_hw_models version to include nrf53 support.

Signed-off-by: Aurora Sletnes Bjørlo <[email protected]>

Author: auroraslb

west.yml

@@ -134,7 +134,7 @@ manifest:
       revision: 75e671550ac1acb502f315fe4952514dc73f7bfb
     - name: nrf_hw_models
       path: modules/bsim_hw_models/nrf_hw_models
-      revision: a47e326ca772ddd14cc3b9d4ca30a9ab44ecca16
+      revision: pull/18/head
     - name: hal_xtensa
       revision: 2f04b615cd5ad3a1b8abef33f9bdd10cc1990ed6
       path: modules/hal/xtensa