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/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 5cb9630..932583d 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -10,9 +10,8 @@
 config ACPI
 	bool "ACPI Support"
 	depends on IA64 || X86
+	depends on PCI
 	select PM
-	select PCI
-
 	default y
 	---help---
 	  Advanced Configuration and Power Interface (ACPI) support for