Building ARCH=ppc for multiplatforms with CONFIG_CHRP not set fails
due to some unshielded code in xmon
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
                sccc = base + (addr & ~PAGE_MASK);
                sccd = sccc + 0x10;
 
-       } else {
+       }
+#ifdef CONFIG_PPC_CHRP
+       else {
                base = (volatile unsigned char *) isa_io_base;
                if (_machine == _MACH_chrp)
                        base = (volatile unsigned char *)
                RXRDY = 1;
                DLAB = 0x80;
        }
+#endif /* CONFIG_PPC_CHRP */
 #elif defined(CONFIG_GEMINI)
        /* should already be mapped by the kernel boot */
        sccc = (volatile unsigned char *) 0xffeffb0d;