[PATCH] drivers/isdn/sc/: possible cleanups

This patch contains the following possible cleanips:
- make some needlessly global code static
- remove the compiled but completely unused debug.c
- remove or #if 0 the following unused global functions:
  - command.c: loopback
  - command.c: loadproc
  - init.c: irq_supported
  - packet.c: print_skb
  - shmem.c: memset_shmem
  - timer.c: trace_timer

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/isdn/sc/Makefile b/drivers/isdn/sc/Makefile
index 9cc474c..0f2b7d6 100644
--- a/drivers/isdn/sc/Makefile
+++ b/drivers/isdn/sc/Makefile
@@ -6,5 +6,5 @@
 
 # Multipart objects.
 
-sc-y				:= shmem.o init.o debug.o packet.o command.o event.o \
+sc-y				:= shmem.o init.o packet.o command.o event.o \
 		   		   ioctl.o interrupt.o message.o timer.o