rpi-userland: Bump version

Bump version to f9e6f9f3def8dc18dc0092cd695ccf53b8ba3efe and revert local commit
f22830e4 'rpi-userland: add patch fix missing
libvcilcs install rules' in order to replace the local patch from this commit by
the upstream commit 1ecc49c97b7be3d524cb4cfc97401f16b485a4ee 'vmcs_host: Fix
missing install of libvcilcs.so'.

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