Update 'what-jenkins-does' makefile target for junit filename

Instead of renaming the junit filename, send abuild the desired
name on the command line.

Change-Id: I779bc180343bd549908750d7128bedbab7f36266
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: http://review.coreboot.org/11879
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/Makefile.inc b/Makefile.inc
index 94d33d3..0053dfb 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -701,8 +701,7 @@
-	util/abuild/abuild -B -J $(if $(JENKINS_NOCCACHE),,-y) -c $(CPUS) -z -p $(JENKINS_PAYLOAD) -x
-	-mv abuild.xml abuild-chromeos.xml
+	util/abuild/abuild -B -J $(if $(JENKINS_NOCCACHE),,-y) -c $(CPUS) -z -p $(JENKINS_PAYLOAD) -x -X $(top)/abuild-chromeos.xml
 	util/abuild/abuild -B -J $(if $(JENKINS_NOCCACHE),,-y) -c $(CPUS) -z -p $(JENKINS_PAYLOAD)
 	(cd payloads/libpayload; unset COREBOOT_BUILD_DIR; $(MAKE) $(if $(JENKINS_NOCCACHE),,CONFIG_LP_CCACHE=y) V=$(V) Q=$(Q) junit.xml)
 	$(MAKE) V=$(V) Q=$(Q) -C util/cbmem junit.xml