[PATCH 2/2] mtx-1: fix build failures when PCI is disabled

[Florian Fainelli <florian@openwrt.org>]

When PCI is disabled the board_pci_idsel symbol cannot
be resolved since it is declared in arch/mips/pci/pci-au1000.c
which is not compiled.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c 
b/arch/mips/alchemy/mtx-1/board_setup.c
index cc32c69..c803732 100644
--- a/arch/mips/alchemy/mtx-1/board_setup.c
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -85,7 +85,9 @@ void __init board_setup(void)
        alchemy_gpio_direction_output(211, 1);  /* green on */
        alchemy_gpio_direction_output(212, 0);  /* red off */
 
+#ifdef CONFIG_PCI
        board_pci_idsel = mtx1_pci_idsel;
+#endif
 
        printk(KERN_INFO "4G Systems MTX-1 Board\n");
 }