panfrost: Don't crash on GL_CLAMP

It's a legacy GL thing... we don't really need to handle it *right* now,
but we shouldn't crash..

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c
index d2bb6bf..e8411ce 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -274,6 +274,8 @@
         case PIPE_TEX_WRAP_REPEAT:
                 return MALI_WRAP_REPEAT;
 
+                /* TODO: lower GL_CLAMP? */
+        case PIPE_TEX_WRAP_CLAMP:
         case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
                 return MALI_WRAP_CLAMP_TO_EDGE;