DRI: Add xlnx dri

Add the Xilinx dri target

Signed-off-by: Mark Hatle <mark.hatle@amd.com>

diff -ur mesa-22.2.0.orig/src/gallium/targets/dri/meson.build mesa-22.2.0/src/gallium/targets/dri/meson.build
--- mesa-22.2.0.orig/src/gallium/targets/dri/meson.build	2022-10-24 20:17:33.977241901 -0700
+++ mesa-22.2.0/src/gallium/targets/dri/meson.build	2022-10-24 20:19:03.217237410 -0700
@@ -92,6 +92,7 @@
                'st7735r_dri.so',
                'stm_dri.so',
 	       'sun4i-drm_dri.so',
+	       'xlnx_dri.so',
              ]],
              [with_gallium_radeonsi, 'radeonsi_dri.so'],
              [with_gallium_nouveau, 'nouveau_dri.so'],
diff -ur mesa-22.2.0.orig/src/gallium/targets/dri/target.c mesa-22.2.0/src/gallium/targets/dri/target.c
--- mesa-22.2.0.orig/src/gallium/targets/dri/target.c	2022-10-24 20:17:33.977241901 -0700
+++ mesa-22.2.0/src/gallium/targets/dri/target.c	2022-10-24 20:19:59.833234561 -0700
@@ -118,6 +118,7 @@
 DEFINE_LOADER_DRM_ENTRYPOINT(st7735r)
 DEFINE_LOADER_DRM_ENTRYPOINT(stm)
 DEFINE_LOADER_DRM_ENTRYPOINT(sun4i_drm)
+DEFINE_LOADER_DRM_ENTRYPOINT(xlnx)
 #endif
 
 #if defined(GALLIUM_LIMA)
