[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/l3ni1.c b/drivers/isdn/hisax/l3ni1.c
index 3ab3a54..f7041d5 100644
--- a/drivers/isdn/hisax/l3ni1.c
+++ b/drivers/isdn/hisax/l3ni1.c
@@ -24,7 +24,7 @@
 #include <linux/ctype.h>
 
 extern char *HiSax_getrev(const char *revision);
-const char *ni1_revision = "$Revision: 2.8.2.3 $";
+static const char *ni1_revision = "$Revision: 2.8.2.3 $";
 
 #define EXT_BEARER_CAPS 1
 
@@ -2665,7 +2665,7 @@
 	l3ni1_SendSpid( pc, pr, arg, 20 );
 }
 
-void l3ni1_spid_epid( struct l3_process *pc, u_char pr, void *arg )
+static void l3ni1_spid_epid( struct l3_process *pc, u_char pr, void *arg )
 {
 	struct sk_buff *skb = arg;