[MIPS] Add extern cobalt_board_id

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/pci/fixup-cobalt.c

@@ -17,9 +17,7 @@
 #include <asm/io.h>
 #include <asm/gt64120.h>
 
-#include <asm/mach-cobalt/cobalt.h>
-
-extern int cobalt_board_id;
+#include <cobalt.h>
 
 static void qube_raq_galileo_early_fixup(struct pci_dev *dev)
 {

include/asm-mips/mach-cobalt/cobalt.h

@@ -69,6 +69,8 @@
 #define COBALT_BRD_ID_QUBE2    0x5
 #define COBALT_BRD_ID_RAQ2     0x6
 
+extern int cobalt_board_id;
+
 #define PCI_CFG_SET(devfn,where)					\
 	GT_WRITE(GT_PCI0_CFGADDR_OFS, (0x80000000 | (PCI_SLOT (devfn) << 11) |		\
 		(PCI_FUNC (devfn) << 8) | (where)))