media: rc: ir-spi needs OF

Without device tree, there is no way to use this driver.
Signed-off-by: Sean Young <sean@mess.org>
Acked-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/rc/Kconfig

@@ -286,6 +286,7 @@ config IR_REDRAT3
 config IR_SPI
 	tristate "SPI connected IR LED"
 	depends on SPI && LIRC
+	depends on OF || COMPILE_TEST
 	---help---
 	  Say Y if you want to use an IR LED connected through SPI bus.