Makefile (arc/soc/em*): New compiler options

GCC 6.x for ARC does not recognize the options
-mARCv2EM and -mav2em anymore.

Both options replaced in Makefile by -mcpu=arcem.

Change-Id: Ic86bf51cd5fb1a67ba2cd75998cd907e26996347
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
3 files changed