os/arch: add a dependancy on DDR configs with DDR
RAM_DDR_START and RAM_DDR_SIZE are valid on enabled DDR config.
This commit makes them a dependancy with DDR.
@@ -743,6 +743,7 @@ config RAM_SIZE
config RAM_DDR_START
hex "DDR RAM start address"
default 0x0
+ depends on DDR
--help--
If the board using external DDR RAM memory, you need to define
the start address of DDR RAM
@@ -750,6 +751,7 @@ config RAM_DDR_START
config RAM_DDR_SIZE
hex "DDR RAM size"
default 0
+ depends on DDR
--help--
If the board using external DDR RAM memory, you need to define
the size of DDR RAM
@@ -801,3 +803,4 @@ config BOOT_SDRAM_DATA
.data and .bss sections can be initialized.
endmenu # Boot Memory Configuration
+
