utils: raspberrypi: ctt: Fix pycodestyle E203

E203 whitespace before ':'

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>

utils/raspberrypi/ctt/ctt_ccm.py

@@ -148,8 +148,8 @@ def ccm(Cam, cal_cr_list, cal_cb_list):
     ccms = []
     for i in sorted_ccms:
         ccms.append({
-            'ct' : i[0],
-            'ccm' : i[1]
+            'ct': i[0],
+            'ccm': i[1]
         })
     return ccms