ACPI: Kconfig: ACPI should depend on, not select PCI

Otherwise, illegal configurations like X86_VOYAGER=y, PCI=y are
possible.

This patch also fixes the options select'ing ACPI to also select PCI.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 4310b4a..299d874 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -289,6 +289,7 @@
        bool "ACPI NUMA detection"
        depends on NUMA
        select ACPI 
+	select PCI
        select ACPI_NUMA
        default y
        help