package/rpi-firmware: bump version

Fixes for USB and audio; enable video capture.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/rpi-firmware/rpi-firmware.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-RPI_FIRMWARE_VERSION = d4f5315
+RPI_FIRMWARE_VERSION = fadc4cb
 RPI_FIRMWARE_SITE = http://github.com/raspberrypi/firmware/tarball/$(RPI_FIRMWARE_VERSION)
 RPI_FIRMWARE_LICENSE = BSD-3c
 RPI_FIRMWARE_LICENSE_FILES = boot/LICENCE.broadcom