cfg: fix incorrect stm32f3 TAPID

Change-Id: Id66d4e03a77c47a49086ee753bed01b3944064e1
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/874
Tested-by: jenkins

tcl/target/stm32f3x_stlink.cfg

@@ -7,7 +7,7 @@ if { [info exists CHIPNAME] == 0 } {
 }
 
 if { [info exists CPUTAPID] == 0 } {
-   set CPUTAPID 0x1ba01477
+   set CPUTAPID 0x2ba01477
 }
 
 if { [info exists WORKAREASIZE] == 0 } {