- Add stream bus_space operations.

Reviewed by:	cognet
Approved by:	kib (mentor, implicit)
MFC after:	1 week

sys/arm/at91/at91.c

@@ -168,6 +168,42 @@ struct bus_space at91_bs_tag = {
 	generic_armv4_bs_c_2,
 	NULL,
 	NULL,
+
+	/* read (single) stream */
+	generic_bs_r_1,
+	generic_armv4_bs_r_2,
+	generic_bs_r_4,
+	NULL,
+
+	/* read multiple stream */
+	generic_bs_rm_1,
+	generic_armv4_bs_rm_2,
+	generic_bs_rm_4,
+	NULL,
+
+	/* read region stream */
+	generic_bs_rr_1,
+	generic_armv4_bs_rr_2,
+	generic_bs_rr_4,
+	NULL,
+
+	/* write (single) stream */
+	generic_bs_w_1,
+	generic_armv4_bs_w_2,
+	generic_bs_w_4,
+	NULL,
+
+	/* write multiple stream */
+	generic_bs_wm_1,
+	generic_armv4_bs_wm_2,
+	generic_bs_wm_4,
+	NULL,
+
+	/* write region stream */
+	NULL,
+	generic_armv4_bs_wr_2,
+	generic_bs_wr_4,
+	NULL,
 };
 
 static int