perf/x86/intel/uncore: Fix Skylake UPI event format

There is no event extension (bit 21) for SKX UPI, so
use 'event' instead of 'event_ext'.

Reported-by: Stephane Eranian <[e-mail]>
Signed-off-by: Kan Liang <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Arnaldo Carvalho de Melo <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Vince Weaver <[e-mail]>
Fixes: cd34cd97b7b4 ("perf/x86/intel/uncore: Add Skylake server uncore support")
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

arch/x86/events/intel/uncore_snbep.c

···
 };
 
 static struct attribute *skx_upi_uncore_formats_attr[] = {
-	&format_attr_event_ext.attr,
+	&format_attr_event.attr,
 	&format_attr_umask_ext.attr,
 	&format_attr_edge.attr,
 	&format_attr_inv.attr,