"setenv fdtfile imx6sx-udoo-neo-extended.dtb; fi; " \
"if test $fdtfile = UNDEFINED; then " \
"echo WARNING: Could not determine dtb to use; fi\0" \
"setenv fdtfile imx6sx-udoo-neo-extended.dtb; fi; " \
"if test $fdtfile = UNDEFINED; then " \
"echo WARNING: Could not determine dtb to use; fi\0" \