CMAKE: add install location

Add install location for vkbench.
This is needed in order to use gentoo cmake-utils_src_install.

BUG=chromium:936705
TEST=cmake && make

Change-Id: If4acf8d31db5fb7db1d9491774bf3dc80659d94a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vkbench/+/2051396
Reviewed-by: Po-Hsien Wang <pwang@chromium.org>
Commit-Queue: Po-Hsien Wang <pwang@chromium.org>
Tested-by: Po-Hsien Wang <pwang@chromium.org>
Auto-Submit: Po-Hsien Wang <pwang@chromium.org>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f1503a0..fad9932 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,3 +13,8 @@
 
 add_executable(vkbench src/main.cc src/utils.cc src/testBase.cc src/testUtil.cc
         src/submitTest.cc src/submitTest.h)
+
+install (
+    FILES ${CMAKE_BINARY_DIR}/vkbench
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/bin
+)