feat(stm32mp2): add fw-config compilation

The DT file will be in the FIP, and loaded at the beginning of SYSRAM.
The info for hw-config (U-Boot DT by default) is also added, it will
be loaded just after BL33 (U-Boot binary).

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I9d58428c2d911c5c16cae5164122bf833a847a7d
2 files changed