[POWERPC] iSeries: fix setup initcall

Clearing the progress indicator should only be done if we are running
on legacy iSeries.

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/setup.c b/arch/powerpc/platforms/iseries/setup.c
index bdf2afb..cce7e30 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -527,7 +527,8 @@
 static int __init iSeries_src_init(void)
 {
         /* clear the progress line */
-        ppc_md.progress(" ", 0xffff);
+	if (firmware_has_feature(FW_FEATURE_ISERIES))
+		ppc_md.progress(" ", 0xffff);
         return 0;
 }