acpi_pad: build only on X86

X86_FEATURE_MWAIT doesn't exist on ia64...

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 13531ed..e56d192 100644 (file)
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -200,6 +200,7 @@ config ACPI_PROCESSOR_AGGREGATOR
        tristate "Processor Aggregator"
        depends on ACPI_PROCESSOR
        depends on EXPERIMENTAL
+       depends on X86
        help
          ACPI 4.0 defines processor Aggregator, which enables OS to perform
          specfic processor configuration and control that applies to all