Profiles: Fixed an error in the BBC_Micro profile

Change-Id: I164a56483bc27748116b45507a58f8622331860c

src/scripts/Profiles/BBC_Micro.txt

@@ -1,6 +1,6 @@
 sampling7=5,5,5,5,5,5,5,0,8,0,8,0
 geometry7=140,18,504,270,504,270,1,4,12000000,768,5000,625,4,0
-sampling=2,2,2,2,2,2,2,0,6,5,0
+sampling=2,2,2,2,2,2,2,0,6,0,5,0
 geometry=160,21,672,270,672,270,1,8,16000000,1024,5000,625,4,0
 auto_switch=2
 palette_control=1