fix(stm32mp1): restrict DEVICE2 mapping in BL2

Only NAND memory map area can be of interest for BL2 in the
DEVICE2 area. Map DEVICE2 under STM32MP_RAW_NAND flag.

Change-Id: I7e3b39579e4a2525b25cb1987d6ec38038d0de2b
Signed-off-by: Yann Gautier <yann.gautier@st.com>
1 file changed