Moved initialization of EEPRO100 Ethernet controller to board_eth_init()

Affected boards:
	db64360
	db64460
	katmai
	taihu
	taishan
	yucca
	cpc45
	cpu87
	eXalion
	elppc
	debris
	kvme080
	mpc8315erdb
	integratorap
	ixdp425
	oxc
	pm826
	pm828
	pm854
	pm856
	ppmc7xx
	sc3
	sc520_spunk
	sorcery
	tqm8272
	tqm85xx
	utx8245

Removed initialization of the driver from net/eth.c
Also, wrapped contents of pci_eth_init() by CONFIG_PCI.

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/board/ppmc7xx/ppmc7xx.c b/board/ppmc7xx/ppmc7xx.c
index 061e01e..9c87c10 100644
--- a/board/ppmc7xx/ppmc7xx.c
+++ b/board/ppmc7xx/ppmc7xx.c
@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <netdev.h>
 
 
 /* Define some MPC107 (memory controller) registers */
@@ -102,3 +103,8 @@
 	/* Should never get here */
 	while(1);
 }
+
+int board_eth_init(bd_t *bis)
+{
+	return pci_eth_init(bis);
+}