add correct CPUTAPID value for LPC2129

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

tcl/target/lpc2129.cfg

@@ -1,5 +1,4 @@
-#LPC-2129 CPU
-
+# NXP LPC2129
 
 if { [info exists CHIPNAME] } {
    set  _CHIPNAME $CHIPNAME
@@ -16,11 +15,9 @@ if { [info exists ENDIAN] } {
 if { [info exists CPUTAPID ] } {
    set _CPUTAPID $CPUTAPID
 } else {
-  # force an error till we get a good number
-   set _CPUTAPID 0xffffffff
+   set _CPUTAPID 0xcf1f0f0f
 }
 
-
 #use combined on interfaces or targets that can't set TRST/SRST separately
 reset_config trst_and_srst srst_pulls_trst
 
@@ -31,7 +28,6 @@ jtag_ntrst_delay 100
 #jtag scan chain
 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
 
-
 set _TARGETNAME $_CHIPNAME.cpu
 target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4