debuggers: import openocd-0.7.0

Initial check-in of openocd-0.7.0 as it can be downloaded from
http://sourceforge.net/projects/openocd/files/openocd/0.7.0/

Any modifications will follow.

Change-Id: I6949beaefd589e046395ea0cb80f4e1ab1654d55

debuggers/openocd/tcl/target/smp8634.cfg

@@ -0,0 +1,31 @@
+# script for Sigma Designs SMP8634 (eventually even SMP8635)
+
+if { [info exists CHIPNAME] } {
+   set _CHIPNAME $CHIPNAME
+} else {
+   set _CHIPNAME smp8634
+}
+
+if { [info exists ENDIAN] } {
+   set _ENDIAN $ENDIAN
+} else {
+   set _ENDIAN little
+}
+
+if { [info exists CPUTAPID] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x08630001
+}
+
+adapter_nsrst_delay 100
+jtag_ntrst_delay 100
+
+reset_config trst_and_srst separate
+
+# jtag scan chain
+# format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
+jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME mips_m4k -endian $_ENDIAN -variant