scons: use python3-compatible print()

These changes were generated using python's `2to3` tool.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102852
Reported-by: Alex Granni <liviuprodea@yahoo.com>
Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

src/SConscript

@@ -30,7 +30,7 @@ def write_git_sha1_h_file(filename):
         try:
             subprocess.Popen(args, stdout=f).wait()
         except:
-            print "Warning: exception in write_git_sha1_h_file()"
+            print("Warning: exception in write_git_sha1_h_file()")
             return
 
     if not os.path.exists(filename) or not filecmp.cmp(tempfile, filename):

src/gallium/drivers/llvmpipe/SConscript

@@ -4,7 +4,7 @@ import distutils.version
 Import('*')
 
 if not env['llvm']:
-    print 'warning: LLVM disabled: not building llvmpipe'
+    print('warning: LLVM disabled: not building llvmpipe')
     Return()
 
 env = env.Clone()

src/gallium/drivers/svga/SConscript

@@ -5,7 +5,7 @@ env = env.Clone()
 env.MSVC2013Compat()
 
 if env['suncc']:
-	print 'warning: not building svga'
+	print('warning: not building svga')
 	Return()
 
 env.Append(CPPDEFINES = [

src/gallium/drivers/swr/SConscript

@@ -8,12 +8,12 @@ if not env['swr']:
     Return()
 
 if not env['llvm']:
-    print 'warning: LLVM disabled: not building swr'
+    print('warning: LLVM disabled: not building swr')
     env['swr'] = False
     Return()
 
 if env['LLVM_VERSION'] < distutils.version.LooseVersion('3.9'):
-    print "warning: swr requires LLVM >= 3.9: not building swr"
+    print("warning: swr requires LLVM >= 3.9: not building swr")
     env['swr'] = False
     Return()
 
@@ -28,7 +28,7 @@ if env['platform'] == 'windows':
 else:
     llvm_config = os.environ.get('LLVM_CONFIG', 'llvm-config')
     llvm_includedir = env.backtick('%s --includedir' % llvm_config).rstrip()
-    print "llvm include dir %s" % llvm_includedir
+    print("llvm include dir %s" % llvm_includedir)
 
 if not env['msvc'] :
     env.Append(CCFLAGS = [

src/gallium/targets/dri/SConscript

@@ -3,7 +3,7 @@ Import('*')
 env = drienv.Clone()
 
 if env['suncc']:
-    print 'warning: not building dri-vmwgfx'
+    print('warning: not building dri-vmwgfx')
     Return()
 
 env.Append(CPPPATH = [