In setup_arch and setup_system call find_legacy_serial_ports() if we
build in support for 8250 serial ports instead of basing it on PPC_MULTIPLATFORM.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
 obj-$(CONFIG_6xx)              += idle_6xx.o
 obj-$(CONFIG_SMP)              += smp.o
 obj-$(CONFIG_KPROBES)          += kprobes.o
-obj-$(CONFIG_PPC_MULTIPLATFORM) += legacy_serial.o
-obj-$(CONFIG_PPC_MULTIPLATFORM) += udbg_16550.o
+obj-$(CONFIG_SERIAL_8250)      += legacy_serial.o udbg_16550.o
 module-$(CONFIG_PPC64)         += module_64.o
 obj-$(CONFIG_MODULES)          += $(module-y)
 
 
        if (ppc_md.init_early)
                ppc_md.init_early();
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#ifdef CONFIG_SERIAL_8250
        find_legacy_serial_ports();
 #endif
        finish_device_tree();
 
         * hash table management for us, thus ioremap works. We do that early
         * so that further code can be debugged
         */
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#ifdef CONFIG_SERIAL_8250
        find_legacy_serial_ports();
 #endif