refactor(plat/st): use TZC400 bindings

This avoids duplicate define of TZC_REGION_NSEC_ALL_ACCESS_RDWR.
And remove the previous TZC400 definitions from stm32mp1_def.h.

Change-Id: I6c72c2a18731f69d855fbce8ce822a21da9364fa
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
2 files changed