icE1usb fw: Add multi-port support in USB code

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: I134410b542461c34339baa8d9120a5c86fc35d46
diff --git a/firmware/ice40-riscv/icE1usb/usb_str_app.txt b/firmware/ice40-riscv/icE1usb/usb_str_app.txt
index 10887d3..3aa6b4a 100644
--- a/firmware/ice40-riscv/icE1usb/usb_str_app.txt
+++ b/firmware/ice40-riscv/icE1usb/usb_str_app.txt
@@ -2,7 +2,10 @@
 osmocom
 icE1usb
 Main
-E1
-Console (control)
-Console (data)
+E1 port 0 (disabled)
+E1 port 0
+E1 port 1 (disabled)
+E1 port 1
+GPS (CDC control)
+GPS (CDC data)
 DFU runtime