ktest: Add INSTALL_MOD_STRIP=1 when installing modules

To keep the modules from bloating the target's filesystem
strip them during the install.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

tools/testing/ktest/ktest.pl

@@ -1643,7 +1643,7 @@ sub install {
 	return;
     }
 
-    run_command "$make INSTALL_MOD_PATH=$tmpdir modules_install" or
+    run_command "$make INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=$tmpdir modules_install" or
 	dodie "Failed to install modules";
 
     my $modlib = "/lib/modules/$version";