s390/cpum_cf: move stccm_avail()

Function stccm_avail() is defined in a header file and the
only user is one single source file. Move this function to the source
file where it is also used and remove it from the header file.
No functional change.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

arch/s390/include/asm/cpu_mcf.h

@@ -99,12 +99,6 @@ static inline void kernel_cpumcf_end(void)
 	preempt_enable();
 }
 
-/* Return true if store counter set multiple instruction is available */
-static inline int stccm_avail(void)
-{
-	return test_facility(142);
-}
-
 int cfset_online_cpu(unsigned int cpu);
 int cfset_offline_cpu(unsigned int cpu);
 #endif /* _ASM_S390_CPU_MCF_H */

arch/s390/kernel/perf_cpum_cf.c

@@ -821,6 +821,12 @@ static struct pmu cpumf_pmu = {
 	.read	      = cpumf_pmu_read,
 };
 
+/* Return true if store counter set multiple instruction is available */
+static inline int stccm_avail(void)
+{
+	return test_facility(142);
+}
+
 static int cfset_init(void);
 static int __init cpumf_pmu_init(void)
 {