migrate from req_ctx to msgb
We now generalize the USB communiction and abandon the 'req_ctx'
structure inherited from openpcd. Instead we use the libosmocore 'msgb'
structure to handle incoming and outgoing USB tranfers. We also use
linuxlist-based msgb-queues for each endpoint.
diff --git a/firmware/Makefile b/firmware/Makefile
index a933102..50cc2dd 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -97,7 +97,7 @@
C_LIBUSB = USBDescriptors.c USBRequests.c USBD.c USBDCallbacks.c USBDDriver.c USBDDriverCallbacks.c
C_LIBUSB_RT = dfu.c dfu_runtime.c
C_LIBUSB_DFU = dfu.c dfu_desc.c dfu_driver.c
-C_LIBCOMMON = string.c stdio.c fputs.c req_ctx.c ringbuffer.c
+C_LIBCOMMON = string.c stdio.c fputs.c usb_buf.c ringbuffer.c pseudo_talloc.c host_communication.c
C_BOARD = $(notdir $(wildcard libboard/common/source/*.c))
C_BOARD += $(notdir $(wildcard libboard/$(BOARD)/source/*.c))