stm32mp1: ram: add interactive mode for DDR configuration

This debug mode is used by CubeMX DDR tuning tools
or manualy for tests during board bring-up.
It is simple console used to change DDR parameters and check
initialization.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/common/Makefile b/common/Makefile
index 8c92feb..c7e41ef 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -124,6 +124,7 @@
 
 obj-y += cli.o
 obj-$(CONFIG_FSL_DDR_INTERACTIVE) += cli_simple.o cli_readline.o
+obj-$(CONFIG_STM32MP1_DDR_INTERACTIVE) += cli_simple.o cli_readline.o
 obj-$(CONFIG_DFU_OVER_USB) += dfu.o
 obj-y += command.o
 obj-$(CONFIG_$(SPL_TPL_)LOG) += log.o