flash: update stm32f0x version info

Change-Id: Iab0962021e6243d1df3e7c647654a51b4bf50d72
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/578
Tested-by: jenkins
Reviewed-by: Mathias Küster <kesmtp@freenet.de>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>

src/flash/nor/stm32f1x.c

@@ -1176,7 +1176,11 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
 
 		switch (device_id >> 16) {
 			case 0x1000:
-				snprintf(buf, buf_size, "A");
+				snprintf(buf, buf_size, "1.0");
+				break;
+
+			case 0x2000:
+				snprintf(buf, buf_size, "2.0");
 				break;
 
 			default: