bare-metal: obmc-console: change the override file location The original location has conflict with other recipes, changing the file to /etc. Tested: both dev and prod on izumi build worked Google-Bug-Id: 232191934 Change-Id: I93aa4cb27cd4be5bec1b0347da90a71ada3fa19e Signed-off-by: Yuxiao Zhang <yuxiaozhang@google.com> (cherry picked from commit 3a0433a96fe3c3df51032e53b82f400f5a08ca2f)