Make sure that we are using correct version of u-boot-mkimage.
user
```bitbake
SUMMARY = "U-Boot bootloader image creation tool"
LICENSE = "GPLv2+"
LIC_FILES_CHKSUM = "file://Licenses/README;md5=0507cd7da8e7ad6d6701926ec9b84c95"
SECTION = "bootloader"

DEPENDS = "openssl"

# This revision corresponds to the tag "v2015.10"
# We use the revision in order to avoid having to fetch it from the
# repo during parse
SRCREV = "5ec0003b19cbdf06ccd6941237cbc0d1c3468e2d"

PV = "v2015.10+git${SRCPV}"

SRC_URI = "git://git.denx.de/u-boot.git;branch=master"

S = "${WORKDIR}/git"

EXTRA_OEMAKE = 'CROSS_COMPILE="${TARGET_PREFIX}" CC="${CC} ${CFLAGS} ${LDFLAGS}" STRIP=true V=1'

do_compile () {
	oe_runmake sandbox_defconfig
	oe_runmake cross_tools NO_SDL=1
}

do_install () {
	install -d ${D}${bindir}
	install -m 0755 tools/mkimage ${D}${bindir}/uboot-mkimage
	ln -sf uboot-mkimage ${D}${bindir}/mkimage
}

BBCLASSEXTEND = "native nativesdk"
```
assistant