feat(stm32mp25-fdts): add DDRCTRL and DDRPHY settings in DDR node

Complete DDR node with all necessary DDRCTRL (register values) and
DDRPHY (user input values) settings.
Add also name and speed properties.

Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Change-Id: Ie63f48dcacefe590c68cf6ec694d9e82349cece8
1 file changed