[MIPS] Cobalt: Split PCI codes from setup.c

It's removed #ifdef CONFIG_PCI/#endif from cobalt setup.c .

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
index b36dd8f..de017c1 100644
--- a/arch/mips/cobalt/Makefile
+++ b/arch/mips/cobalt/Makefile
@@ -4,5 +4,6 @@
 
 obj-y	 := irq.o reset.o setup.o
 
+obj-$(CONFIG_PCI)		+= pci.o
 obj-$(CONFIG_EARLY_PRINTK)	+= console.o
 obj-$(CONFIG_MTD_PHYSMAP)	+= mtd.o