acpi: make ACPI_PROCFS default to y

Zillions of people are getting my-battery-monitor-doesnt-work problems
(including me).

Lessen the damage by making ACPI_PROCFS default to on.

Cc: Len Brown <lenb@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Acked-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/acpi/Kconfig

@@ -50,6 +50,7 @@ config ACPI_SLEEP
 config ACPI_PROCFS
 	bool "Deprecated /proc/acpi files"
 	depends on PROC_FS
+	default y
 	---help---
 	  For backwards compatibility, this option allows
 	  deprecated /proc/acpi/ files to exist, even when