tests: drivers: watchdog: wdt_basic_api: add nucleo_wba52cg board

Add Nucleo WBA52CG board in the allowed platform for STM32 watchdog tests

Signed-off-by: Guillaume Gautier <[email protected]>

Author: gautierg-st

tests/drivers/watchdog/wdt_basic_api/testcase.yaml

@@ -36,6 +36,7 @@ tests:
       - nucleo_u575zi_q
       - nucleo_c031c6
       - stm32h573i_dk
+      - nucleo_wba52cg
     integration_platforms:
       - nucleo_f091rc
   drivers.watchdog.stm32wwdg_h7:
@@ -68,6 +69,7 @@ tests:
       - nucleo_h743zi
       - nucleo_c031c6
       - nucleo_h753zi
+      - nucleo_wba52cg
     integration_platforms:
       - nucleo_f091rc
   drivers.watchdog.mec15xxevb_assy6853: