It seems this check is default enabled in high version DTC,
so let's force disable this noisy check since we don't care
about "reg" property for fit image.
<stdout>: Warning (unit_address_vs_reg): Node /images/uboot@1 has a unit name, but no reg property
<stdout>: Warning (unit_address_vs_reg): Node /images/uboot@1/hash@1 has a unit name, but no reg property
<stdout>: Warning (unit_address_vs_reg): Node /images/optee@1 has a unit name, but no reg property
<stdout>: Warning (unit_address_vs_reg): Node /images/optee@1/hash@1 has a unit name, but no reg property
<stdout>: Warning (unit_address_vs_reg): Node /images/fdt@1 has a unit name, but no reg property
<stdout>: Warning (unit_address_vs_reg): Node /images/fdt@1/hash@1 has a unit name, but no reg property
<stdout>: Warning (unit_address_vs_reg): Node /configurations/conf@1 has a unit name, but no reg property
......
Change-Id: I7d934bce66742c76397c004def1919bf4c6e7672
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>