imximage: Fix the bootdata.size calculation

In system boot chapter of i.MX6 reference manual, the "Image Vector Table" figure shows the bootdata.start points to the beginning of the destination memory. It means the bootdata.size should contain the IVT offset part, but the calculation in imximage tool does not have.

We found this issue when booting from QuadSPI NOR on i.MX6SX. The u-boot runs into abnormal (crash or stop) after booting. After checked the destination memory where the image is loaded to, there are hundreds of bytes at the image end are not loaded into memory. Since there is a 4096 bytes round in the calculation, for the booting devices using smaller IVT offset, such as SD and SPI booting, they are not easy to reproduce.

---
Changes since v1:
- Improve the patch message to explicate the issue and reason.

 tools/imximage.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index faba238..526b7d4 100644
@@ -587,7 +587,7 @@ static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
 	 *
 	 * The remaining fraction of a block bytes would not be loaded!
 	 */
-	*header_size_ptr = ROUND(sbuf->st_size, 4096);
+	*header_size_ptr = ROUND((sbuf->st_size + imximage_ivt_offset), 4096);
 
 	if (csf_ptr && imximage_csf_size) {
 		*csf_ptr = params->ep - imximage_init_loadsize +

1.7.4.1

Applied to u-boot-imx, thanks !

Best regards,
Stefano Babic

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