SPL: P1022DS: fix the problem booting from spi flash

There was no enough memory for malloc in SPL booting from spi flash, so
relayout the memory in SPL: reduce the memory for global data from 16K
Bytes to 4K Bytes, save the space for malloc.
Signed-off-by: NYing Zhang <b40530@freescale.com>
Reviewed-by: NYork Sun <yorksun@freescale.com>

include/configs/P1022DS.h

@@ -365,10 +365,10 @@
 #define CONFIG_SYS_L2_SIZE		(256 << 10)
 #define CONFIG_SYS_INIT_L2_END	(CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_L2_SIZE)
 #define CONFIG_SPL_RELOC_TEXT_BASE	0xf8f81000
-#define CONFIG_SPL_RELOC_STACK		(CONFIG_SYS_INIT_L2_ADDR + 128 * 1024)
+#define CONFIG_SPL_RELOC_STACK		(CONFIG_SYS_INIT_L2_ADDR + 116 * 1024)
 #define CONFIG_SPL_RELOC_STACK_SIZE	(32 << 10)
-#define CONFIG_SPL_RELOC_MALLOC_ADDR	(CONFIG_SYS_INIT_L2_ADDR + 160 * 1024)
-#define CONFIG_SPL_RELOC_MALLOC_SIZE	(96 << 10)
+#define CONFIG_SPL_RELOC_MALLOC_ADDR	(CONFIG_SYS_INIT_L2_ADDR + 148 * 1024)
+#define CONFIG_SPL_RELOC_MALLOC_SIZE	(108 << 10)
 #define CONFIG_SPL_GD_ADDR		(CONFIG_SYS_INIT_L2_ADDR + 112 * 1024)
 #elif defined(CONFIG_NAND)
 #ifdef CONFIG_TPL_BUILD