Add mISDN core files

Add mISDN core files

Signed-off-by: Karsten Keil <kkeil@suse.de>
diff --git a/drivers/isdn/mISDN/Makefile b/drivers/isdn/mISDN/Makefile
new file mode 100644
index 0000000..87c563d
--- /dev/null
+++ b/drivers/isdn/mISDN/Makefile
@@ -0,0 +1,9 @@
+#
+# Makefile for the modular ISDN driver
+#
+
+obj-$(CONFIG_MISDN) += mISDN_core.o
+
+# multi objects
+
+mISDN_core-objs := core.o fsm.o socket.o hwchannel.o stack.o layer1.o layer2.o tei.o timerdev.o