So the parser can be used to parse range property of ISA bus.

As they're all using PCI-like method of range property, there is no need
start a new parser.
Signed-off-by: NJiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>