Don't install vbutil_what_keys on the target

BUG=chromium:419773
BRANCH=ToT
TEST=manual

  make MINIMAL=1 DESTDIR=FOO install
  make MINIMAL=  DESTDIR=BAR install
  find FOO BAR -name vbutil_what_keys

It should only install the script into BAR/.

Change-Id: I48d3a780533c5b72cc18720d39b18ac286b07fd9
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/221177
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/Makefile b/Makefile
index d5f0088..17faf4f 100644
--- a/Makefile
+++ b/Makefile
@@ -460,12 +460,12 @@
 # Scripts to install directly (not compiled)
 UTIL_SCRIPTS = \
 	utility/dev_debug_vboot \
-	utility/enable_dev_usb_boot \
-	utility/vbutil_what_keys
+	utility/enable_dev_usb_boot
 
 ifeq (${MINIMAL},)
 UTIL_SCRIPTS += \
-	utility/dev_make_keypair
+	utility/dev_make_keypair \
+	utility/vbutil_what_keys
 endif
 
 # These utilities should be linked statically.