feat(st): manage backup partitions for NAND devices

Register a try_nand_backup_partitions() handler to plat_try_images_ops
to manage backup partition when booting from NAND devices.

Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@foss.st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: Ibee082b7b059b9e2ed502b7bbcda7464e5d9e251
1 file changed