obmcutil: Add to 'make install' list

Testing: Verified obmc-phosphor-image build installs it correctly
  in  obmc-phosphor-image/1.0-r0/rootfs/usr/sbin/obmcutil

Change-Id: I386e726a653496ccd77549fa63603ddfb647bd78
Signed-off-by: Anthony Wilson <wilsonan@us.ibm.com>
1 file changed