ACPI: invoke acpi_sleep_init() earlier

late_initcall() is too late for acpi_sleep_init().
Call it directly from acpi_init code.

http://bugzilla.kernel.org/show_bug.cgi?id=7887

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com>
Signed-off-by: Vladimir Lebedev <vladimir.p.lebedev@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 62ce87d..37a0930 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -200,7 +200,7 @@
 	{},
 };
 
-static int __init acpi_sleep_init(void)
+int __init acpi_sleep_init(void)
 {
 	int i = 0;
 
@@ -229,4 +229,3 @@
 	return 0;
 }
 
-late_initcall(acpi_sleep_init);