After u-boot.cnt is padded to flash.bin automatically by script,
no need to burn the image mannually, so drop the step.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
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$ make imx8qm_mek_defconfig
$ make flash.bin
-$ dd if=u-boot.cnt of=flash.bin bs=512 seek=1984
Flash the binary into the SD card
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$ make imx8qxp_mek_defconfig
$ make flash.bin
-$ dd if=u-boot.cnt of=flash.bin bs=512 seek=1984
Flash the binary into the SD card
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