benchmarks/Makefile: Don't build benchmarks that depend on libdrm_intel

Use the HAS_INTEL automake flag to avoid building benchmarks that won't
compile unless libdrm_intel is available in the build system.

Signed-off-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/benchmarks/Makefile.sources b/benchmarks/Makefile.sources
index 6865e73..0862b76 100644
--- a/benchmarks/Makefile.sources
+++ b/benchmarks/Makefile.sources
@@ -1,10 +1,6 @@
 benchmarksdir=$(libexecdir)/intel-gpu-tools/benchmarks
 
 benchmarks_PROGRAMS =			\
-	intel_upload_blit_large         \
-	intel_upload_blit_large_gtt     \
-	intel_upload_blit_large_map     \
-	intel_upload_blit_small		\
 	gem_blt				\
 	gem_create			\
 	gem_exec_ctx			\
@@ -17,7 +13,14 @@
 	gem_prw				\
 	gem_set_domain			\
 	gem_syslatency			\
-	gem_userptr_benchmark		\
 	kms_vblank			\
 	vgem_mmap			\
 	$(NULL)
+
+LIBDRM_INTEL_BENCHMARKS =		\
+	intel_upload_blit_large		\
+	intel_upload_blit_large_gtt	\
+	intel_upload_blit_large_map	\
+	intel_upload_blit_small		\
+	gem_userptr_benchmark		\
+	$(NULL)