virglrenderer: upgrade 1.1.0 -> 1.1.1

virglrenderer: upgrade 1.1.0 -> 1.1.1

Dropped 0001-vrend-Fix-int-conversion-fatal-build-error-with-GCC-.patch
because it is indluded in this release.

Added python3-pyyaml as a build dependency - dependency was introduced in
https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/194c75946a30e11b90ea46b6a6ddc5e62a9e9612

Changelog: https://gitlab.freedesktop.org/virgl/virglrenderer/-/releases/1.1.1

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>