Fixes this warning:
 arch/powerpc/kernel/setup_64.c:447:5: warning: "kernstart_addr" is not defined
which arises because PHYSICAL_START is no longer a constant when
CONFIG_RELOCATABLE=y.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
        if (htab_address)
                printk("htab_address                  = 0x%p\n", htab_address);
        printk("htab_hash_mask                = 0x%lx\n", htab_hash_mask);
-#if PHYSICAL_START > 0
-       printk("physical_start                = 0x%lx\n", PHYSICAL_START);
-#endif
+       if (PHYSICAL_START > 0)
+               printk("physical_start                = 0x%lx\n",
+                      PHYSICAL_START);
        printk("-----------------------------------------------------\n");
 
        DBG(" <- setup_system()\n");