MX35: add LOW_LEVEL_SRAM_STACK to use SPL_FRAMEWORK

Signed-off-by: Stefano Babic <sbabic@denx.de>

arch/arm/include/asm/arch-mx35/imx-regs.h

@@ -33,6 +33,8 @@
 #define IRAM_BASE_ADDR		0x10000000	/* internal ram */
 #define IRAM_SIZE		0x00020000	/* 128 KB */
 
+#define LOW_LEVEL_SRAM_STACK	0x1001E000
+
 /*
  * AIPS 1
  */