watchdog: versal: Include header file needed for dev_ functions

dev_dbg, dev_err and dev_warn seems to be moved to different header file.
Include dm/device_compat.h file to compile properly.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/watchdog/xilinx_wwdt.c b/drivers/watchdog/xilinx_wwdt.c
index 11b30ae..c8e6c60 100644
--- a/drivers/watchdog/xilinx_wwdt.c
+++ b/drivers/watchdog/xilinx_wwdt.c
@@ -14,6 +14,7 @@
 #include <regmap.h>
 #include <wdt.h>
 #include <linux/compat.h>
+#include <dm/device_compat.h>
 #include <linux/io.h>
 
 /* Refresh Register Masks */