media: stm32: dcmipp: fix RGB888 format support overall

Correct the swap cycle for the RGB888.  RGB888 is a 3 cycles format
in parallel, which cannot be swapped (and it is not necessary).
Performing cycle swap here was ignored by the HW.

Change-Id: Ic3f86f6aaddfcd6911d14aa91a52c1f40215cad6
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-on: https://gerrit.st.com/c/mpu/oe/st/linux-stm32/+/422111
Reviewed-by: Alain VOLMAT <alain.volmat@st.com>
Tested-by: Alain VOLMAT <alain.volmat@st.com>
Reviewed-by: Philippe CORNU <philippe.cornu@foss.st.com>
ACI: CITOOLS <MDG-smet-aci-reviews@list.st.com>
Domain-Review: Philippe CORNU <philippe.cornu@foss.st.com>

Author: Alain Volmat

drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-input.c

@@ -83,7 +83,7 @@ static const struct dcmipp_inp_pix_map dcmipp_inp_pix_map_list[] = {
 	PIXMAP_SINK_SRC_PRCR_SWAP(RGB565_2X8_BE, RGB565_2X8_LE, RGB565, 0, MIPI_CSI2_DT_RGB565),
 	PIXMAP_SINK_SRC_PRCR_SWAP(RGB565_1X16, RGB565_1X16, RGB565, 0, MIPI_CSI2_DT_RGB565),
 	/* RGB888 */
-	PIXMAP_SINK_SRC_PRCR_SWAP(RGB888_3X8, RGB888_3X8, RGB888, 1, MIPI_CSI2_DT_RGB888),
+	PIXMAP_SINK_SRC_PRCR_SWAP(RGB888_3X8, RGB888_3X8, RGB888, 0, MIPI_CSI2_DT_RGB888),
 	PIXMAP_SINK_SRC_PRCR_SWAP(RGB888_1X24, RGB888_1X24, RGB888, 0, MIPI_CSI2_DT_RGB888),
 	/* YUV422 */
 	PIXMAP_SINK_SRC_PRCR_SWAP(YUYV8_2X8, YUYV8_2X8, YUV422, 0, MIPI_CSI2_DT_YUV422_8B),