The definition for raw_cpu_add_return() uses the operation prefix
"raw_add_return_", but the definitions in the various percpu.h files
expect "raw_cpu_add_return_".  This commit therefore appropriately
adjusts the definition of raw_cpu_add_return().
Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: NChristoph Lameter <cl@linux.com>
Reviewed-by: NJosh Triplett <josh@joshtriplett.org>