tests: drivers: watchdog wwdg of the stm32h573 is erasing sram

When a reset coccurs the sram1 where the m_state value is stored
is erased. Then the board indefinitely reboots.
Avoid this excluding the target board.
Or set the SRAM13_RST bit in the option byte in FLASH_OPTSR2_CUR.

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

tests/drivers/watchdog/wdt_basic_api/testcase.yaml

@@ -55,7 +55,6 @@ tests:
       - nucleo_u385rg_q
       - nucleo_u575zi_q
       - nucleo_c031c6
-      - stm32h573i_dk
       - nucleo_wba55cg
     integration_platforms:
       - nucleo_f091rc