target.cfg: TAP id for Hilscher netX 500

Based on email from "Martin Kaul <martin.kaul@leuze.de>".

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

NEWTAPS

@@ -135,3 +135,11 @@ For example: A consumer GPS unit or a cellphone
     ie: An FPGA or CPLD ...
 
 ========================================
+
+(I) What target config files need updating?
+
+    In fact it's best if you submit a patch with those
+    updates.  Most of the other information listed here
+    is just to help create a good patch.
+
+========================================

tcl/target/netx500.cfg

@@ -1,6 +1,5 @@
 #Hilscher netX 500 CPU
 
-
 if { [info exists CHIPNAME] } {
    set  _CHIPNAME $CHIPNAME
 } else {
@@ -16,19 +15,18 @@ 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 0x07926021
 }
 
-
-#use combined on interfaces or targets that can't set TRST/SRST separately
+# FIXME most reset config belongs in board code
 reset_config trst_and_srst
-#jtag scan chain
-#
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
 jtag_nsrst_delay 100
 jtag_ntrst_delay 100
 
+# jtag scan chain
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+# that TAP is associated with a target
 set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm926ejs
+target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME