Add support of STM32MP13x the ETZPC part of fdt.c Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> Change-Id: If2777fbf66b8525a2a447056780aaa04e6b0a9a0