km-powerpc: move SYS_MALLOC_LEN out of keymile-common.h

It must be set to a different value for the later add kmp204x
architecture, because we are restricted to 1MB SRAM.
Signed-off-by: NValentin Longchamp <valentin.longchamp@keymile.com>

include/configs/km/keymile-common.h

@@ -80,8 +80,6 @@
 #define CONFIG_BOOTP_GATEWAY
 #define CONFIG_BOOTP_HOSTNAME
 
-#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
-
 /* UBI Support for all Keymile boards */
 #define CONFIG_CMD_UBI
 #define CONFIG_RBTREE

include/configs/km/km-powerpc.h

@@ -32,6 +32,9 @@
 
 #define CONFIG_SYS_LOAD_ADDR	0x100000	/* default load address */
 
+/* Reserve 4 MB for malloc */
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
+
 /******************************************************************************
  * (PRAM usage)
  * ... -------------------------------------------------------

include/configs/km/km_arm.h

@@ -54,6 +54,9 @@
 #define CONFIG_ENV_SPI_MODE		SPI_MODE_3
 #endif
 
+/* Reserve 4 MB for malloc */
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
+
 #include "asm/arch/config.h"
 
 #define CONFIG_SYS_TEXT_BASE	0x07d00000	/* code address before reloc */