[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>

drivers/isdn/hisax/isac.c

@@ -112,7 +112,7 @@ isac_bh(struct IsdnCardState *cs)
 #endif
 }
 
-void
+static void
 isac_empty_fifo(struct IsdnCardState *cs, int count)
 {
 	u_char *ptr;
@@ -563,13 +563,13 @@ ISAC_l1hw(struct PStack *st, int pr, void *arg)
 	}
 }
 
-void
+static void
 setstack_isac(struct PStack *st, struct IsdnCardState *cs)
 {
 	st->l1.l1hw = ISAC_l1hw;
 }
 
-void 
+static void
 DC_Close_isac(struct IsdnCardState *cs) {
 	if (cs->dc.isac.mon_rx) {
 		kfree(cs->dc.isac.mon_rx);