configs: x530: move MTDPART/MTDIDS_DEFAULT in defconfig

Replace MTDIDS_DEFAULT and MTDPARTS_DEFAULT in the config include file by
CONFIG_MTDIDS_DEFAULT and CONFIG_MTDPARTS_DEFAULT in defconfig to complete
the Kconfig migration.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
2 files changed