swiotlb: Fix gcc printk format warning on x86_64, OK for ia64:
arch/ia64/lib/swiotlb.c:351: warning: long unsigned int format, long
long unsigned int arg (arg 2)
Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>