pstore: X86 platform interface using ACPI/APEI/ERST

The 'error record serialization table' in ACPI provides a suitable
amount of persistent storage for use by the pstore filesystem.

Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index fca34cc..e91680c 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -1,5 +1,6 @@
 config ACPI_APEI
 	bool "ACPI Platform Error Interface (APEI)"
+	select PSTORE
 	depends on X86
 	help
 	  APEI allows to report errors (for example from the chipset)