Create entry for efivar application
Create entry for efivar application

This patch adds an entry for the efivar application which may be useful
for some debugging applications. It also removes efivar.c from the list
of source files needed for libefivar as it is unneeded for the library.

Change-Id: Ia6eed7e9a44196e7b1e9f58287cfc44b77659328
Signed-off-by: Michael Bergeron <c103c8419fb84b1aa5321be90fd955aa9211e509@intel.com>
Reviewed-on: https://android.intel.com/189229
Reviewed-by: Boie, Andrew P <aab045b28152628be6af0e556050d0381fd0a34d@intel.com>
Reviewed-by: Ionita, Catalin <27b8bd4c7802185e014d4ac970a3bf34154df81c@intel.com>

android-ia/vendor_intel_external_efivar,CyanogenMod/android_vendor_intel_external_efivar