cpumask: cpu_coregroup_mask(): sparc

Like cpu_coregroup_map, but returns a (const) pointer.

Compile-tested on sparc64 (defconfig).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>

arch/sparc/include/asm/topology_64.h

@@ -84,5 +84,6 @@ static inline int pcibus_to_node(struct pci_bus *pbus)
 #endif /* CONFIG_SMP */
 
 #define cpu_coregroup_map(cpu)			(cpu_core_map[cpu])
+#define cpu_coregroup_mask(cpu)			(&cpu_core_map[cpu])
 
 #endif /* _ASM_SPARC64_TOPOLOGY_H */