STLINK: add stlink v1 configuration

Change-Id: I6b9de16879ff928d60e3c4a64731449275291cc2
Signed-off-by: Mathias K <kesmtp@freenet.de>
Reviewed-on: http://openocd.zylin.com/397
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

tcl/board/stm32f4discovery.cfg

@@ -1,6 +1,6 @@
 # This is an STM32F4 discovery board with a single STM32F407VGT6 chip.
 # http://www.st.com/internet/evalboard/product/252419.jsp
 
-source [find interface/stlink-usb.cfg]
+source [find interface/stlink-v2.cfg]
 
 source [find target/stm32f4x_stlink.cfg]

tcl/interface/stlink-v1.cfg

@@ -0,0 +1,13 @@
+#
+# STMicroelectronics ST-LINK/V1 in-circuit debugger/programmer
+#
+
+interface stlink
+stlink_layout sg
+stlink_device_desc "ST-LINK/V1"
+stlink_vid_pid 0x0483 0x3744
+#
+# dummy values, not really needed
+#
+adapter_khz 1
+reset_config trst_and_srst