perf: arm-cmn: Fix conversion specifiers for node type

The node type field is an enum type, so print it as a 32-bit quantity
rather than as an unsigned short.

Link: https://lore.kernel.org/r/202009302350.QIzfkx62-lkp@intel.com


Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Will Deacon <will@kernel.org>