config: Switch from the print statement to the print function.

Change-Id: I701fa58cfcfa2767ce9ad24da314a053889878d0
Reviewed-on: https://gem5-review.googlesource.com/8762
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Gabe Black <gabeblack@google.com>

configs/common/Benchmarks.py

@@ -26,6 +26,8 @@
 #
 # Authors: Ali Saidi
 
+from __future__ import print_function
+
 from SysPaths import script, disk, binary
 from os import environ as env
 from m5.defines import buildEnv
@@ -63,8 +65,8 @@ class SysConfig:
         elif buildEnv['TARGET_ISA'] == 'sparc':
             return env.get('LINUX_IMAGE', disk('disk.s10hw2'))
         else:
-            print "Don't know what default disk image to use for %s ISA" % \
-                buildEnv['TARGET_ISA']
+            print("Don't know what default disk image to use for %s ISA" %
+                buildEnv['TARGET_ISA'])
             exit(1)
 
     def rootdev(self):