imx: imximage: Add QuadSPI boot support

Add QuadSPI boot support to imximage tool.

Note: The QuadSPI configuration parameters at offset 0x400 are not
included in this patch. Need other tools to generate the parameters
part.

Signed-off-by: Ye.Li <B37916@freescale.com>
diff --git a/tools/imximage.h b/tools/imximage.h
index 5b5ad0e..36fe095 100644
--- a/tools/imximage.h
+++ b/tools/imximage.h
@@ -29,6 +29,7 @@
 #define FLASH_OFFSET_ONENAND	0x100
 #define FLASH_OFFSET_NOR	0x1000
 #define FLASH_OFFSET_SATA	FLASH_OFFSET_STANDARD
+#define FLASH_OFFSET_QSPI	0x1000
 
 /* Initial Load Region Size */
 #define FLASH_LOADSIZE_UNDEFINED	0xFFFFFFFF
@@ -39,6 +40,7 @@
 #define FLASH_LOADSIZE_ONENAND		0x400
 #define FLASH_LOADSIZE_NOR		0x0 /* entire image */
 #define FLASH_LOADSIZE_SATA		FLASH_LOADSIZE_STANDARD
+#define FLASH_LOADSIZE_QSPI		0x0 /* entire image */
 
 #define IVT_HEADER_TAG 0xD1
 #define IVT_VERSION 0x40