i965: Add missing DEFINE_BITS for brw dirty bits.

These are only used for debugging, but should be there.
Found by inspection.

src/mesa/drivers/dri/i965/brw_state_upload.c

@@ -278,6 +278,10 @@ static struct dirty_bit_map brw_bits[] = {
    DEFINE_BIT(BRW_NEW_VERTICES),
    DEFINE_BIT(BRW_NEW_BATCH),
    DEFINE_BIT(BRW_NEW_DEPTH_BUFFER),
+   DEFINE_BIT(BRW_NEW_NR_WM_SURFACES),
+   DEFINE_BIT(BRW_NEW_NR_VS_SURFACES),
+   DEFINE_BIT(BRW_NEW_VS_CONSTBUF),
+   DEFINE_BIT(BRW_NEW_WM_CONSTBUF),
    {0, 0, 0}
 };