LU-7244 llite: Fix XATTR_NAME_EVM redefinition

LU-7244 llite: Fix XATTR_NAME_EVM redefinition

In Linux kernel version 3.2.x the defintion of XATTR_NAME_EVM exist
but defintion XATTR_NAME_IMA is not. So, check them independently.

Change-Id: Ib98534d278ae4d5eaaa86538beb9bf683b9cf807
Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-on: http://review.whamcloud.com/16707
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Tested-by: Jenkins
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>