[POWERPC] Remove some iSeries platform checks from the PCI code

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 4bcf446..db0a17e 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -646,6 +646,8 @@
 	/* Install IO hooks */
 	ppc_pci_io = iseries_pci_io;
 
+	pci_probe_only = 1;
+
 	/* iSeries has no IO space in the common sense, it needs to set
 	 * the IO base to 0
 	 */