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]

test/common/cyclic.c

@@ -27,7 +27,7 @@ static int dm_test_cyclic_running(struct unit_test_state *uts)
 					 NULL));
 
 	/* Execute all registered cyclic functions */
-	WATCHDOG_RESET();
+	schedule();
 	ut_asserteq(true, cyclic_active);
 
 	return 0;