perf tools: Allow building for tile

Tested by building perf:
- Cross-compiled for tile on x86_64
- Built natively on tile

Signed-off-by: Zhigang Lu <zlu@tilera.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch
index fef8ae9..4b06719 100644
--- a/tools/perf/config/Makefile.arch
+++ b/tools/perf/config/Makefile.arch
@@ -5,7 +5,8 @@
                                   -e s/arm.*/arm/ -e s/sa110/arm/ \
                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-                                  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
+                                  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
+                                  -e s/tile.*/tile/ )
 
 # Additional ARCH settings for x86
 ifeq ($(ARCH),i386)