[meta-freescale] u-boot failed: do_mkimage with Yocto dizzy

[Marco Cavallini]

Hello,
this commit breaks u-boot creation with Yocto dizzy and MACHINE = imx6qsabrelite

commit 44e1e7f23cd9fa4345d664acfa0a635a80caa3d6
Author: Ian Coolidge <ian at boundarydevices.com>
Date:   Tue Mar 17 10:35:16 2015 -0700

Log data follows:
| DEBUG: Executing shell function do_mkimage
| uboot-mkimage: Can't stat
/home/tux/yocto/poky/build/tmp/work/imx6qsabrelite-poky-linux-gnueabi/u-boot-script-boundary/v2014.07+gitAUTOINC+86bfe2c8c6-r0/git/board/boundary/imx6qsabrelite/6x_bootscript-yocto.txt:
No such file or directory
| WARNING: /home/tux/yocto/poky/build/tmp/work/imx6qsabrelite-poky-linux-gnueabi/u-boot-script-boundary/v2014.07+gitAUTOINC+86bfe2c8c6-r0/temp/run.do_mkimage.8537:1
exit 1 from
|   uboot-mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n "boot
script" -d /home/tux/yocto/poky/build/tmp/work/imx6qsabrelite-poky-linux-gnueabi/u-boot-script-boundary/v2014.07+gitAUTOINC+86bfe2c8c6-r0/git/board/boundary/imx6qsabrelite/6x_bootscript-yocto.txt
board/boundary/imx6qsabrelite/6x_bootscript
| ERROR: Function failed: do_mkimage (log file is located at
/home/tux/yocto/poky/build/tmp/work/imx6qsabrelite-poky-linux-gnueabi/u-boot-script-boundary/v2014.07+gitAUTOINC+86bfe2c8c6-r0/temp/log.do_mkimage.8537)
ERROR: Task 123
(/home/tux/yocto/poky/meta-fsl-arm-extra/recipes-bsp/u-boot/u-boot-script-boundary_git.bb,
do_mkimage) failed with exit code '1'
NOTE: Tasks Summary: Attempted 2489 tasks of which 2482 didn't need to
be rerun and 1 failed.