panvk: add support for adjacency primitive topologies

These are not usable by applications until we advertise GS, but the
implementation is effectively independent of the rest of the GS
implementation.

Signed-off-by: Olivia Lee <olivia.lee@collabora.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41478>

src/third_party/mesa

diff --git a/src/third_party/mesa b/src/third_party/mesa
index 47590e0..a172760 160000
--- a/src/third_party/mesa
+++ b/src/third_party/mesa
@@ -1 +1 @@
-Subproject commit 47590e0d3e1d8f3241df5dcd4cae916306e9b83b
+Subproject commit a17276037a657e4c5e42037cd97d00323113e91a