west: Update hal_stm32 to 5ca535df5874d1f9ab931265a2b1f691b76df9ce

PR hal_stm32 PR #116 avoids ethenet descriptor leak with enabled
timestamping.

Signed-off-by: Alex Sergeev <asergeev@carbonrobotics.com>
diff --git a/west.yml b/west.yml
index d2c0c09..33cc717 100644
--- a/west.yml
+++ b/west.yml
@@ -124,7 +124,7 @@
       groups:
         - hal
     - name: hal_stm32
-      revision: 6fc9b5f7e0229ef64a882e37213266d346ebfadb
+      revision: 5ca535df5874d1f9ab931265a2b1f691b76df9ce
       path: modules/hal/stm32
       groups:
         - hal