raiden_debug: Upstream ChromiumOS usb_device helpers

These are helpful usb device accessors and helpers that
are later used for the so-called Raiden debugger programmer.

BUG=b:143389556
BRANCH=none
TEST=builds

Change-Id: Ic928220fc919fe4958c8150e61e11470dac88f13
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/38936
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

meson.build

@@ -84,6 +84,7 @@ endif
 # some programmers require libusb
 if get_option('usb')
   srcs += 'usbdev.c'
+  srcs += 'usb_device.c'
   deps += dependency('libusb-1.0')
 else
   config_ch341a_spi = false