ACPICA: Deploy new create integer interface where appropriate

Simplifies creation of simple integer objects.
ACPICA BZ 823.

http://www.acpica.org/bugzilla/show_bug.cgi?id=823

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index 0b33d6c..1588a2d 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -162,13 +162,12 @@
 	} else {
 		/* Field will fit within an Integer (normal case) */
 
-		buffer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+		buffer_desc = acpi_ut_create_integer_object((u64) 0);
 		if (!buffer_desc) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
 		length = acpi_gbl_integer_byte_width;
-		buffer_desc->integer.value = 0;
 		buffer = &buffer_desc->integer.value;
 	}