package/rpi-firmware: bump version

Fixes and enhancements for:
  - audio: clock, HDMI passthrough, DTS
  - video playback: unpacked bitstreams
  - 3D: HW textures orientation
  - PWM: boot-time options
  - undisclosed changes

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