ARM: mxs: support full SPL framework

This allows using the full SPL framework on mxs devices.  In this
mode, the u-boot.sb image loaded by the boot ROM contains only the
SPL which then loads U-Boot proper or a kernel in falcon mode.

Signed-off-by: Mans Rullgard <mans@mansr.com>
diff --git a/include/configs/mxs.h b/include/configs/mxs.h
index f07f81c..0fe0770 100644
--- a/include/configs/mxs.h
+++ b/include/configs/mxs.h
@@ -44,8 +44,10 @@
 /* Startup hooks */
 
 /* SPL */
+#ifndef CONFIG_SPL_FRAMEWORK
 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE
 #define CONFIG_SPL_START_S_PATH	"arch/arm/cpu/arm926ejs/mxs"
+#endif
 
 /* Memory sizes */
 #define CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */