lenovo/x200: Kill access to nonexisting device [copy-paste error]

Change-Id: I1be939e870e8792f5ebb23623fe8f7f119adec36
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6806
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/mainboard/lenovo/x200/mainboard.c

@@ -85,7 +85,7 @@ static int int15_handler(void)
 		   It's controlled by a DIP switch but was always
 		   set to 4 while only values of 5 and 6 worked. */
 		X86_AX = 0x005f;
-		X86_CX = (inb(0x60f) & 0x0f) + 1;
+		X86_CX = 0x2;
 		break;
 	case 0x5f70:
 		/* Sandybridge boards return 0 here. */