base-files: Add /etc/profile

CodeBench hangs on the execution of /usr/bin/resize.  This version
of profile only executes resize for non-pty connections.

JIRA: SB-4054

Signed-off-by: Wade Farnsworth <wade_farnsworth@mentor.com>
Merge pull request #394 from wfarnsworth/sb-4054

base-files: Add /etc/profile