raspberrypi-firmware.inc: upgrade to latest for 5.10.13 kernel
raspberrypi-firmware.inc: upgrade to latest for 5.10.13 kernel

https://github.com/raspberrypi/firmware/commit/7d91570f20378afc9414107dccdad70705a8a342

Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

agherzan/meta-raspberrypi,agherzan/meta-raspberrypi,agherzan/meta-raspberrypi,schnitzeltony/meta-raspberrypi,schnitzeltony/meta-raspberrypi,schnitzeltony/meta-raspberrypi,agherzan/meta-raspberrypi,agherzan/meta-raspberrypi,agherzan/meta-raspberrypi