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/common/cli_readline.c b/common/cli_readline.c
index f883b7f..f6e2bcd 100644
--- a/common/cli_readline.c
+++ b/common/cli_readline.c
@@ -274,7 +274,7 @@
 			while (!tstc()) {	/* while no incoming data */
 				if (get_ticks() >= etime)
 					return -2;	/* timed out */
-				WATCHDOG_RESET();
+				schedule();
 			}
 			first = 0;
 		}
@@ -595,7 +595,7 @@
 	for (;;) {
 		if (bootretry_tstc_timeout())
 			return -2;	/* timed out */
-		WATCHDOG_RESET();	/* Trigger watchdog, if needed */
+		schedule();	/* Trigger watchdog, if needed */
 
 		c = getchar();