cmd_genenv = \
$(objtree)/tools/printinitialenv | \
sed -e '/^\s*$$/d' | \
- sort --field-separator== -k1,1 --stable -o $@
+ sort --field-separator='=' -k1,1 --stable -o $@
u-boot-initial-env: $(env_h) FORCE
$(Q)$(MAKE) $(build)=tools $(objtree)/tools/printinitialenv