ACPI: Kconfig - depend on PM rather than selecting it

Make ACPI depend on PM rather than selecting it.
Otherwise it's a nightmare working out why CONFIG_PM keeps getting set.

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 0f9d4be..6382f64 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -11,7 +11,7 @@
 	bool "ACPI Support"
 	depends on IA64 || X86
 	depends on PCI
-	select PM
+	depends on PM
 	default y
 	---help---
 	  Advanced Configuration and Power Interface (ACPI) support for