configs: stm32mp: Disable SYS_MTDPARTS_RUNTIME for stm32mp15 and stm32mp13

As we don't use anymore MTDPARTS_xx Kconfig variables
(MTDPARTS_NAND0_BOOT, MTDPARTS_NOR0_BOOT...),
disable SYS_MTDPARTS_RUNTIME.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
4 files changed