85xx: Add PORDEVSR_PCI1 define

Add define used to determine if PCI1 interface is in PCI or PCIX mode.

Convert users of the old PORDEVSR_PCI constant to use MPC85xx_PORDEVSR_PCI1

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/board/sbc8548/sbc8548.c b/board/sbc8548/sbc8548.c
index 017f6b3..8c073cb 100644
--- a/board/sbc8548/sbc8548.c
+++ b/board/sbc8548/sbc8548.c
@@ -412,7 +412,7 @@
 		first_free_busno=hose->last_busno+1;
 		printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
 #ifdef CONFIG_PCIX_CHECK
-		if (!(gur->pordevsr & PORDEVSR_PCI)) {
+		if (!(gur->pordevsr & MPC85xx_PORDEVSR_PCI1)) {
 			/* PCI-X init */
 			if (CONFIG_SYS_CLK_FREQ < 66000000)
 				printf("PCI-X will only work at 66 MHz\n");