tests: boot: with_mcumgr: update testcase file

Add STM32 supported boards for the test.

Signed-off-by: Fabrice DJIATSA <fabrice.djiatsa-ext@st.com>

Author: djiatsaf-st

tests/boot/with_mcumgr/testcase.yaml

@@ -4,7 +4,10 @@ common:
     - nrf5340dk/nrf5340/cpuapp
     - nrf54l15dk/nrf54l15/cpuapp
     - nrf9160dk/nrf9160
-    - nucleo_wba55cg
+    - nucleo_f091rc
+    - nucleo_g474re
+    - nucleo_u385rg_q
+    - nucleo_wl55jc
   timeout: 600
   slow: true
   tags:
@@ -15,6 +18,7 @@ tests:
   boot.with_mcumgr.test_upgrade:
     platform_allow:
       - nrf52840dk/nrf52840
+      - nucleo_wba55cg
     integration_platforms:
       - nrf52840dk/nrf52840
     harness: pytest
@@ -28,6 +32,10 @@ tests:
     platform_exclude:
       - nrf9160dk/nrf9160
       - nucleo_wba55cg
+      - nucleo_f091rc
+      - nucleo_g474re
+      - nucleo_u385rg_q
+      - nucleo_wl55jc
     integration_platforms:
       - nrf52840dk/nrf52840
     extra_args: EXTRA_CONF_FILE="overlay-bt.conf"
@@ -40,6 +48,7 @@ tests:
   boot.with_mcumgr.test_downgrade_prevention:
     platform_allow:
       - nrf52840dk/nrf52840
+      - stm32u083c_dk
     integration_platforms:
       - nrf52840dk/nrf52840
     harness: pytest