cyclic: Use schedule() instead of WATCHDOG_RESET()

Globally replace all occurances of WATCHDOG_RESET() with schedule(),
which handles the HW_WATCHDOG functionality and the cyclic
infrastructure.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Tom Rini <trini@konsulko.com> [am335x_evm, mx6cuboxi, rpi_3,dra7xx_evm, pine64_plus, am65x_evm, j721e_evm]
diff --git a/drivers/video/video_bmp.c b/drivers/video/video_bmp.c
index 4d2d961..082895a 100644
--- a/drivers/video/video_bmp.c
+++ b/drivers/video/video_bmp.c
@@ -329,7 +329,7 @@
 			byte_width = width;
 
 		for (i = 0; i < height; ++i) {
-			WATCHDOG_RESET();
+			schedule();
 			for (j = 0; j < width; j++) {
 				write_pix8(fb, bpix, eformat, palette, bmap);
 				bmap++;
@@ -342,7 +342,7 @@
 	case 16:
 		if (IS_ENABLED(CONFIG_BMP_16BPP)) {
 			for (i = 0; i < height; ++i) {
-				WATCHDOG_RESET();
+				schedule();
 				for (j = 0; j < width; j++) {
 					*fb++ = *bmap++;
 					*fb++ = *bmap++;