change to own USB vendor/device ID

we shouldn't re-use the vendor/device ID usd by simtrace1, as the
protocol is incompatible and applications for simtrace 1 don't work with
simtrace2.   Also, there's a different processor architecutre in the
hardware.
diff --git a/firmware/include_board/board.h b/firmware/include_board/board.h
index 37330b5..634729f 100644
--- a/firmware/include_board/board.h
+++ b/firmware/include_board/board.h
@@ -181,8 +181,8 @@
 #define BOARD_USB_BMATTRIBUTES                  USBConfigurationDescriptor_BUSPOWERED_NORWAKEUP
 //#define BOARD_USB_BMATTRIBUTES                  USBConfigurationDescriptor_SELFPOWERED_RWAKEUP
 
-#define SIMTRACE_VENDOR_ID          0x16c0
-#define SIMTRACE_PRODUCT_ID         0x0762
+#define SIMTRACE_VENDOR_ID          0x1d50
+#define SIMTRACE_PRODUCT_ID         0x60e3
 #define USB_VENDOR_ID               OPENPCD_VENDOR_ID
 #define USB_PRODUCT_ID              SIMTRACE_PRODUCT_ID
 
diff --git a/usb_application/simtrace.py b/usb_application/simtrace.py
index cf77e21..48fd73a 100755
--- a/usb_application/simtrace.py
+++ b/usb_application/simtrace.py
@@ -12,7 +12,7 @@
 import time
 
 def find_dev():
-    dev = usb.core.find(idVendor=0x16c0, idProduct=0x0762)
+    dev = usb.core.find(idVendor=0x1d50, idProduct=0x60e3)
     if dev is None:
         raise ValueError("Device not found")
     else: