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

This patch contains the following possible cleanups:
- make needlessly global code static
- remove the compiled but unused st5481_hdlc.{c,h}
- kill enternow.h
- enternow_pci.c: kill InByte/OutByte/BYTE
- isdnl2.c: kill FreeSkb
- remove or #if 0 the following unused functions:
  - config.c: IsdnCardState
  - ipacx.c: ipacx_new_ph
  - ipacx.c: dch_bh
  - ipacx.c: setup_ipacx
  - isdnl2.c: IsRR

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Kai Germaschewski <kai@germaschewski.name>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/isdn/hisax/mic.c b/drivers/isdn/hisax/mic.c
index 3ac4484..fe11f22 100644
--- a/drivers/isdn/hisax/mic.c
+++ b/drivers/isdn/hisax/mic.c
@@ -18,7 +18,7 @@
 
 extern const char *CardType[];
 
-const char *mic_revision = "$Revision: 1.12.2.4 $";
+static const char *mic_revision = "$Revision: 1.12.2.4 $";
 
 #define byteout(addr,val) outb(val,addr)
 #define bytein(addr) inb(addr)
@@ -157,7 +157,7 @@
 	return IRQ_HANDLED;
 }
 
-void
+static void
 release_io_mic(struct IsdnCardState *cs)
 {
 	int bytecnt = 8;