stm32mp1: allow non-secure access to reset upon periph registration

Update implementation of stm32mp_nsec_can_access_reset() based
on the registering of the shared resources.

Querying registering state locks further registration of
peripherals.

Change-Id: I5f38f2a3481780b9a71939d95984c4821c537aa4
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
1 file changed