video: driver: Update IRIS3 DDR line buffer BW calculation

Remove the temporary 2-pipe condition for DDR line buffer
write calculation for BW.

Change-Id: I75dba3106f0af9f7a6eb43036f86209202e22d5d
Signed-off-by: Mihir Ganu <quic_mganu@quicinc.com>

driver/variant/iris3/src/msm_vidc_power_iris3.c

@@ -402,11 +402,8 @@ static u64 __calculate_decoder(struct vidc_bus_vote_data *d)
 	ddr.line_buffer_read =
 		fp_div(FP_INT(tnbr_per_lcu * lcu_per_frame * fps),
 			FP_INT(bps(1)));
-	/* This change is applicable for all IRIS3 targets,
-	 * but currently being done for IRIS3 with 2 pipes
-	 * only due to timeline constraints.
-	 */
-	if((num_vpp_pipes == 2) && (is_h264_category))
+
+	if (is_h264_category)
 		ddr.line_buffer_write = fp_div(ddr.line_buffer_read,FP_INT(2));
 	else
 		ddr.line_buffer_write = ddr.line_buffer_read;