adds cpu_has_arch_perfmon to test presence of architectural perfmon on
Intel x86 processor
Signed-off-by: Stephane Eranian <eranian@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 #define cpu_has_clflush                boot_cpu_has(X86_FEATURE_CLFLSH)
 #define cpu_has_bts            boot_cpu_has(X86_FEATURE_BTS)
 #define cpu_has_gbpages                boot_cpu_has(X86_FEATURE_GBPAGES)
+#define cpu_has_arch_perfmon   boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
 
 #if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64)
 # define cpu_has_invlpg                1