[bootloader] Use custom USB descriptor

bootloader/Makefile

@@ -8,6 +8,7 @@ bootloader_src += $(addprefix bootloader/,\
   interface.cpp \
   jump_to_firmware.s \
   trampoline.cpp \
+  usb_desc.cpp \
 )
 
 bootloader_images = $(addprefix bootloader/, \
@@ -15,6 +16,6 @@ bootloader_images = $(addprefix bootloader/, \
   computer.png \
 )
 
-bootloader_src += $(ion_src) $(kandinsky_src) $(liba_src) $(libaxx_src) $(bootloader_images)
+bootloader_src += $(filter-out ion/src/device/shared/drivers/usb_desc.cpp,$(ion_src)) $(kandinsky_src) $(liba_src) $(libaxx_src) $(bootloader_images)
 
 $(eval $(call depends_on_image,bootloader/interface.cpp,$(bootloader_images)))

bootloader/usb_desc.cpp

@@ -0,0 +1,12 @@
+
+namespace Ion {
+namespace Device {
+namespace USB {
+
+const char* stringDescriptor() {
+  return "@Flash/0x90000000/08*004Kg,01*032Kg,63*064Kg,64*064Kg";
+}
+
+}
+}
+}