refactor(st-ddr): update parameter array initialization

Force alignment of the size of parameters array with the expected
value by the binding.
The registers dynamic structs are removed as not used in TF-A.

Change-Id: I7a41f355a435f54fbf23f468cca87c7f8f7e69e8
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2 files changed