freedreno: small comment re-word

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5957>
diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_blitter.c b/src/gallium/drivers/freedreno/a5xx/fd5_blitter.c
index 9bcfa7a..a2db587 100644
--- a/src/gallium/drivers/freedreno/a5xx/fd5_blitter.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_blitter.c
@@ -46,7 +46,7 @@
 
 /* Not sure if format restrictions differ for src and dst, or if
  * they only matter when src fmt != dst fmt..  but there appear to
- * be *some* limitations so let's just start blacklisting stuff that
+ * be *some* limitations so let's just start rejecting stuff that
  * piglit complains about
  */
 static bool