package/rpi-userland: bump revision

Changes for:
  - sync with latest firmware API
  - fix bitrate of video encoder

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/rpi-userland/rpi-userland.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-RPI_USERLAND_VERSION = 7beec2158da8229598f8e471ab5ca834078f5ad2
+RPI_USERLAND_VERSION = 58ab02e820df719440816534f4534ab1dfd66ce6
 RPI_USERLAND_SITE = $(call github,raspberrypi,userland,$(RPI_USERLAND_VERSION))
 RPI_USERLAND_LICENSE = BSD-3c
 RPI_USERLAND_LICENSE_FILES = LICENCE