ACPICA: New internal utility function to create Integer objects

acpi_ut_create_integer_object. This function (when deployed) should
simplify some of the object creation code.  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>