drivers/stm32_iwdg: register IWDG resources as secure or not

Register in the shared resources driver the secure or non-secure state
of the IWDG instances.

Change-Id: I3a3bc9525447f6a2a465891ca3a3fd5fe664ca07
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
1 file changed