281948b475
For GLIBC < 2.17 it is necessery to add -lrt for linker
from glibc > 2.17 The `clock_*' suite of functions (declared in <time.h>) is now
available directly in the main C library. This affect Ubuntu 12.04 in i686
and other older Linux Distros).
Fixes: 4758404a3084 ("mk: fix eal shared library dependencies")
Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>