package/rpi-firmware: bump version

Bump for misc fixes and enhancements:
  - firmware: smaller cut-down (aka rescue) firmware
  - audio: sample rates, float samples, any-number-of-channels
  - hdmi: fix for (high?) output rates
  - video: h264 decode when changing resolution
  - camera: high frame rates, full FoV

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/rpi-firmware/rpi-firmware.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-RPI_FIRMWARE_VERSION = a0eb06736a3f1583fc6cd575149c7835dc43582d
+RPI_FIRMWARE_VERSION = 089cfb05ec350505ee84a99d567474c5bdc0505e
 RPI_FIRMWARE_SITE = $(call github,raspberrypi,firmware,$(RPI_FIRMWARE_VERSION))
 RPI_FIRMWARE_LICENSE = BSD-3c
 RPI_FIRMWARE_LICENSE_FILES = boot/LICENCE.broadcom