drm/vmwgfx: Bump the minor version

v2: Old userspace doesn't like 3.x.x and we'd like to keep it working,
so lets just bump the minor version until we have no choice.

With GEM, GL4.3, stats and removal of a lot of old code it's time to bump
the minor version of the driver.
Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Martin Krastev <krastevm@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211209024924.3298137-1-zack@kde.org

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

@@ -54,9 +54,9 @@
 
 
 #define VMWGFX_DRIVER_NAME "vmwgfx"
-#define VMWGFX_DRIVER_DATE "20210722"
+#define VMWGFX_DRIVER_DATE "20211206"
 #define VMWGFX_DRIVER_MAJOR 2
-#define VMWGFX_DRIVER_MINOR 19
+#define VMWGFX_DRIVER_MINOR 20
 #define VMWGFX_DRIVER_PATCHLEVEL 0
 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
 #define VMWGFX_MAX_RELOCATIONS 2048