[nrf fromtree] manifest: Update nRF hw models to latest

Update the HW models module to:
26ed181181eed53e400db8f63fa83c566a05d971

Including the following:
26ed181 54L CLOCK: Fix: Handle clock being stopped before it is fully
	started
b643b28 54L CLOCK: Account for relationship between PLLs and XO

Signed-off-by: Alberto Escolar Piedras <[email protected]>
(cherry picked from commit 4ef316c)

Author: aescolar

west.yml

@@ -334,7 +334,7 @@ manifest:
       groups:
         - tools
     - name: nrf_hw_models
-      revision: 40403f5f2805cca210d2a47c8717d89c4e816cda
+      revision: 26ed181181eed53e400db8f63fa83c566a05d971
       path: modules/bsim_hw_models/nrf_hw_models
     - name: nrf_wifi
       revision: e269670cd17fb8ccc4b7004544276bc7d9578496