media: rc: new driver for USB-UIRT device

This device uses an ftdi usb serial port, so this driver has a tiny
amount of usb ftdi code. It would be preferable to connect this driver via
serdev or line-discipline, but unfortunately neither support
hotplugging yet.

See http://www.usbuirt.com/

Signed-off-by: Sean Young <sean@mess.org>

drivers/media/rc/Kconfig

@@ -471,6 +471,17 @@ config IR_TOY
 	   To compile this driver as a module, choose M here: the module will be
 	   called ir_toy.
 
+config IR_UIRT
+	tristate "USB-UIRT"
+	depends on RC_CORE
+	depends on USB_ARCH_HAS_HCD
+	help
+	   Say Y here if you want to use the USB-UIRT. See
+	   http://www.usbuirt.com/
+
+	   To compile this driver as a module, choose M here: the module will be
+	   called uirt.
+
 endif #RC_DEVICES
 
 endif #RC_CORE

drivers/media/rc/Makefile

@@ -50,3 +50,4 @@ obj-$(CONFIG_IR_SIR) += sir_ir.o
 obj-$(CONFIG_IR_MTK) += mtk-cir.o
 obj-$(CONFIG_RC_XBOX_DVD) += xbox_remote.o
 obj-$(CONFIG_IR_TOY) += ir_toy.o
+obj-$(CONFIG_IR_UIRT) += uirt.o