fix(st): update dt_get_ddr_size() type

Move to size_t to ensure a generic algorithm whatever the platform
architecture.

Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Change-Id: I7879367849ed86750dcff2b6a15f4b998bf6da18
Signed-off-by: Sebastien PASDELOUP <sebastien.pasdeloup-ext@st.com>
2 files changed