fix: Fixing rebased created bugs

Author: rajkan01

drivers/Watchdog.h

@@ -75,18 +75,6 @@ class Watchdog {
      */
     void kick();
 
-    /** Stops the watchdog timer
-     *
-     * Calling this function will attempt to disable any currently running
-     * watchdog timers if supported by the current platform.
-     *
-     * @return Returns WATCHDOG_STATUS_OK if the watchdog timer was successfully
-     *         stopped, or if the timer was never started. Returns
-     *         WATCHDOG_STATUS_NOT_SUPPORTED if the watchdog cannot be disabled
-     *         on the current platform.
-     */
-    watchdog_status_t stop();
-
     /** mbed_watchdog_manager(runs by periodic call from ticker) used this API interface
      *  to go through all the registered user/threads of watchdog.
      *

platform/mbed_watchdog_mgr.cpp

@@ -63,7 +63,6 @@ uint32_t mbed_wdog_manager_get_max_timeout()
 bool mbed_wdog_manager_start()
 {
     watchdog_status_t sts;
-    bool msts = true;
     MBED_ASSERT(HW_WATCHDOG_TIMEOUT < mbed_wdog_manager_get_max_timeout());
     core_util_critical_section_enter();
     if (is_watchdog_started) {
@@ -73,15 +72,15 @@ bool mbed_wdog_manager_start()
     watchdog_config_t config;
     config.timeout_ms = HW_WATCHDOG_TIMEOUT;
     sts = hal_watchdog_init(&config);
-    if (sts != WATCHDOG_STATUS_OK) {
-        msts = false;
-    } else {
-        us_timestamp_t timeout = (MS_TO_US(((elapsed_ms <= 0) ? 1 : elapsed_ms)));
-        get_ticker()->attach_us(callback(&mbed_wdog_manager_kick), timeout);
+    if (sts == WATCHDOG_STATUS_OK) {
         is_watchdog_started = true;
     }
     core_util_critical_section_exit();
-    return msts;
+    if (is_watchdog_started){
+        us_timestamp_t timeout = (MS_TO_US(((elapsed_ms <= 0) ? 1 : elapsed_ms)));
+        get_ticker()->attach_us(callback(&mbed_wdog_manager_kick), timeout);
+    }
+    return is_watchdog_started;
 }
 
 bool mbed_wdog_manager_stop()

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/watchdog.c

@@ -38,6 +38,7 @@
             "default-form-factor": {
                 "help": "Default form factor of this board taken from supported_form_factors. This must be a lowercase string such as 'arduino'",
                 "value": null
+            },
             "hw-watchdog_timeout": {
                 "help": "Define the timeout in ms value LowPowerTicker to do HW kick",
                 "value": "800",