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/GPUTLBConfig.py

@@ -33,6 +33,8 @@
 #  Author: Lisa Hsu
 #
 
+from __future__ import print_function
+
 # Configure the TLB hierarchy
 # Places which would probably need to be modified if you
 # want a different hierarchy are specified by a <Modify here .. >'
@@ -88,7 +90,7 @@ def config_tlb_hierarchy(options, system, shader_idx):
     elif options.TLB_config == "2CU":
         num_TLBs = n_cu >> 1
     else:
-        print "Bad option for TLB Configuration."
+        print("Bad option for TLB Configuration.")
         sys.exit(1)
 
     #----------------------------------------------------------------------------------------