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/ti-ar7.cfg

@@ -0,0 +1,30 @@
+#
+# Texas Instruments AR7 SOC - used in many adsl modems.
+# http://www.linux-mips.org/wiki/AR7
+#
+
+if { [info exists CHIPNAME] } {
+    set _CHIPNAME $CHIPNAME
+} else {
+    set _CHIPNAME ti-ar7
+}
+
+if { [info exists ENDIAN] } {
+    set _ENDIAN $ENDIAN
+} else {
+    set _ENDIAN little
+}
+
+if { [info exists CPUTAPID] } {
+    set _CPUTAPID $CPUTAPID
+} else {
+    set _CPUTAPID 0x0000100f
+}
+
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id $_CPUTAPID
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME mips_m4k -endian $_ENDIAN -chain-position $_CHIPNAME.cpu
+
+# use onboard 4k sram as working area
+$_TARGETNAME configure -work-area-phys 0x80000000 -work-area-size 0x00001000