stlink: add stlink_api cmd

This enables the manual selection of the stlink api version.

Change-Id: I0ec8c5b0a101b6456f426d2fec65971da56db4e7
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/617
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Xiaofan <xiaofanc@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/jtag/stlink/stlink_interface.h b/src/jtag/stlink/stlink_interface.h
index 4b6949e4..ee2fefff 100644
--- a/src/jtag/stlink/stlink_interface.h
+++ b/src/jtag/stlink/stlink_interface.h
@@ -38,6 +38,8 @@ struct stlink_interface_param_s {
 	/** */
 	uint16_t pid;
 	/** */
+	unsigned api;
+	/** */
 	enum stlink_transports transport;
 };