Blackfin arch BF548 defconfig: enable watchdog by default

Signed-off-by: NMike Frysinger <michael.frysinger@analog.com>
Signed-off-by: NBryan Wu <bryan.wu@analog.com>

arch/blackfin/configs/BF548-EZKIT_defconfig

@@ -809,7 +809,14 @@ CONFIG_UNIX98_PTYS=y
 # IPMI
 #
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_BFIN_WDT=y
 CONFIG_HW_RANDOM=y
 # CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set