setclock: create /dev/rtc symlink if it not exist.

src/initscripts/init.d/setclock

@@ -19,7 +19,14 @@ CLOCKPARAMS=
 
 case ${1} in
 	start)
+
 		boot_mesg "Setting system clock..."
+
+		# udev not create the rtc symlink if rtc is in the kernel
+		if [ ! -e /dev/rtc ]; then
+			ln -s rtc0 /dev/rtc
+		fi
+
 		hwclock --hctosys ${CLOCKPARAMS} &>/dev/null
 		evaluate_retval
 		;;