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/common.mk

@@ -0,0 +1,12 @@
+
+# common flags used in openocd build
+AM_CPPFLAGS = -I$(top_srcdir)/src \
+			  -I$(top_builddir)/src \
+			  -I$(top_srcdir)/src/helper \
+			  -DPKGDATADIR=\"$(pkgdatadir)\" \
+			  -DPKGLIBDIR=\"$(pkglibdir)\"
+
+if INTERNAL_JIMTCL
+AM_CPPFLAGS += -I$(top_srcdir)/jimtcl \
+			   -I$(top_builddir)/jimtcl
+endif