IXP42x PCI rewrite

clean up IXP PCI handling: get rid of IXP-private bus scan, BAR assign etc.
code and use u-boot's PCI infrastructure instead.  Move board-specific PCI
setup code (clock/reset) to board directory.

Signed-off-by: Michael Schwingen <michael@schwingen.org>
diff --git a/drivers/pci/pci_indirect.c b/drivers/pci/pci_indirect.c
index 2070d01..526a55c 100644
--- a/drivers/pci/pci_indirect.c
+++ b/drivers/pci/pci_indirect.c
@@ -11,7 +11,7 @@
 
 #include <common.h>
 
-#if (!defined(__I386__) && !defined(CONFIG_IXDP425))
+#if !defined(__I386__)
 
 #include <asm/processor.h>
 #include <asm/io.h>
@@ -20,15 +20,6 @@
 #define cfg_read(val, addr, type, op)	*val = op((type)(addr))
 #define cfg_write(val, addr, type, op)	op((type *)(addr), (val))
 
-#ifdef CONFIG_IXP425
-extern unsigned char	in_8 (volatile unsigned *addr);
-extern unsigned short	in_le16 (volatile unsigned *addr);
-extern unsigned		in_le32 (volatile unsigned *addr);
-extern void		out_8 (volatile unsigned *addr, char val);
-extern void		out_le16 (volatile unsigned *addr, unsigned short val);
-extern void		out_le32 (volatile unsigned *addr, unsigned int val);
-#endif	/* CONFIG_IXP425 */
-
 #if defined(CONFIG_MPC8260)
 #define INDIRECT_PCI_OP(rw, size, type, op, mask)			 \
 static int								 \
@@ -134,4 +125,4 @@
 	hose->cfg_data = (unsigned char *) cfg_data;
 }
 
-#endif	/* !__I386__ && !CONFIG_IXDP425 */
+#endif	/* !__I386__ */