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/arch/arm/mach-imx/i2c-mxv7.c b/arch/arm/mach-imx/i2c-mxv7.c
index d36347d..85d648b 100644
--- a/arch/arm/mach-imx/i2c-mxv7.c
+++ b/arch/arm/mach-imx/i2c-mxv7.c
@@ -46,7 +46,7 @@
 		scl = gpio_get_value(p->scl.gp);
 		if ((sda & scl) == 1)
 			break;
-		WATCHDOG_RESET();
+		schedule();
 		elapsed = get_timer(start_time);
 		if (elapsed > (CONFIG_SYS_HZ / 5)) {	/* .2 seconds */
 			ret = -EBUSY;