scripts/setup: install llvm-13

The llvm-objcopy-13 command comes from the llvm-13 package, not
llvm-13-tools.

BUG=none
TEST=scripts/setup

Change-Id: Ifc15a19e4d200fa87160c77d8c6ea10073c3f02b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/hps-firmware/+/3383463
Tested-by: Dan Callaghan <dcallagh@chromium.org>
Reviewed-by: David Lattimore <dml@chromium.org>
Commit-Queue: Dan Callaghan <dcallagh@chromium.org>
diff --git a/scripts/setup b/scripts/setup
index 66b303a..5395a25 100755
--- a/scripts/setup
+++ b/scripts/setup
@@ -74,7 +74,7 @@
 fi
 
 if ! command -v llvm-objcopy-13 >/dev/null ; then
-    missing+=(llvm-13-tools)
+    missing+=(llvm-13)
 fi
 
 if [ ! -f /usr/include/libusb-1.0/libusb.h ]; then