The acpidump currently always uses ACPI 2.0 format to dump RSDP, this patch
adds ACPI 1.0 RSDP support.

Link: https://bugs.acpica.org/show_bug.cgi?id=1097
Link: https://bugs.acpica.org/show_bug.cgi?id=1103Signed-off-by: NLv Zheng <lv.zheng@intel.com>
Reported-and-tested-by: NRudolf Marek <r.marek@assembler.cz>
Reported-and-tested-by: NRafal <fatwildcat@gmail.com>
Signed-off-by: NBob Moore <robert.moore@intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>