ACPI: call acpi_ec_init() explicitly rather than as initcall

This patch makes acpi_init() call acpi_ec_init() directly.
Previously, both were subsys_initcalls.  acpi_ec_init()
must happen after acpi_init(), and it's better to call it
explicitly rather than rely on link ordering.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
CC: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/bus.c

@@ -880,6 +880,7 @@ static int __init acpi_init(void)
 	dmi_check_system(power_nocheck_dmi_table);
 
 	acpi_scan_init();
+	acpi_ec_init();
 	return result;
 }