stm32f7x.cfg: Fix expected JTAG id.

Change-Id: Icd21b9ac5f50094262f30db431d8a775a0d263ca
Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Reviewed-on: http://openocd.zylin.com/3512
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>

tcl/target/stm32f7x.cfg

@@ -43,7 +43,7 @@ if { [info exists BSTAPID] } {
   # See STM Document RM0385
   # Section 40.6.1
   # STM32F75xxG
-  set _BSTAPID1 0x06449071
+  set _BSTAPID1 0x06449041
 }
 
 if {[using_jtag]} {