ShellPkg: acpiview: Remove redundant IORT node types enum

ShellPkg: acpiview: Remove redundant IORT node types enum

Replace the enum defining valid node types in the IORT table with
macros from IoRemappingTable.h.

Signed-off-by: Krzysztof Koch <krzysztof.koch@arm.com>
Reviewed-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>