video: driver: allow adaptive/external blur along with rotation/flip

[1] Allow adaptive/external blur along with rotation/flip.
[2] Update HFI_BUFFER_VPSS_ENC macro to align with CL: 30984523.

Change-Id: Ibca9f273da4a8204f586e952aeb9b2e78b5ff941
Signed-off-by: Akshata Sahukar <asahukar@codeaurora.org>

driver/variant/iris2/inc/hfi_buffer_iris2.h

@@ -1520,11 +1520,11 @@ _yuv_bufcount_min, is_opb, num_vpp_pipes)           \
 		HFI_BUFFER_DPB_ENC(_size, frame_width, frame_height, is_ten_bit); \
 	} while (0)
 
-#define HFI_BUFFER_VPSS_ENC(vpss_size, dswidth, dsheight, ds_enable, is_ten_bit) \
+#define HFI_BUFFER_VPSS_ENC(vpss_size, dswidth, dsheight, ds_enable, blur, is_ten_bit) \
 	do \
 	{ \
 		vpss_size = 0; \
-		if (ds_enable) \
+		if (ds_enable || blur) \
 		{ \
 			HFI_BUFFER_DPB_ENC(vpss_size, dswidth, dsheight, is_ten_bit); \
 		} \