perf/x86: Move perf_event_amd_iommu.[ch] .. => x86/events/amd/iommu.[ch]

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: http://lkml.kernel.org/r/1454947748-28629-5-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/x86/events/Makefile b/arch/x86/events/Makefile
index 88f7873..838195d 100644
--- a/arch/x86/events/Makefile
+++ b/arch/x86/events/Makefile
@@ -2,3 +2,6 @@
 
 obj-$(CONFIG_CPU_SUP_AMD)               += amd/core.o
 obj-$(CONFIG_X86_LOCAL_APIC)            += amd/ibs.o
+ifdef CONFIG_AMD_IOMMU
+obj-$(CONFIG_CPU_SUP_AMD)               += amd/iommu.o
+endif