gateware/cores: Update no2usb

Mostly to get firmware code fixes

Need some code adaptation in icE1usb firmware to
remove local usb_cdc_notif_serial_state struct
sine tt's included in no2usb cdc proto header now.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: I13e186627077c57329e4a83da11acc01ca5dce35
diff --git a/firmware/ice40-riscv/icE1usb/usb_gps.c b/firmware/ice40-riscv/icE1usb/usb_gps.c
index e219cf8..db188b1 100644
--- a/firmware/ice40-riscv/icE1usb/usb_gps.c
+++ b/firmware/ice40-riscv/icE1usb/usb_gps.c
@@ -46,12 +46,6 @@
 } g_usb_gps;
 
 
-struct usb_cdc_notif_serial_state {
-	struct usb_ctrl_req hdr;
-	uint16_t bits;
-} __attribute__((packed,aligned(4)));
-
-
 static void
 _usb_gps_set_active(bool active)
 {
diff --git a/gateware/cores/no2usb b/gateware/cores/no2usb
index fdf42a6..9a3e752 160000
--- a/gateware/cores/no2usb
+++ b/gateware/cores/no2usb
@@ -1 +1 @@
-Subproject commit fdf42a6571a4ae49556626e6fffca1582796f7e8
+Subproject commit 9a3e752eab17c8f12a3a1dd6cf291368eaf3161d