Revert back TERM=linux for working home key

Signed-off-by: Joel Fernandes <joelf@ti.com>
beaglebone-image: Add xterm for resize command

resize command is useful for setting the rows/columns of raw serial consoles
which suffer from not knowing what their size is, as they don't enjoy support
from ssh or other programs.
base-files: bash: Run eval command on init

resize command needs to be run when bash start so that
serial console is appropriately resized.

This has the effect of querying the serial console for its
size and setting LINES and ROWS appropriately. Which intern
causes the settings of rows/columns of the tty.

Signed-off-by: Joel Fernandes <joelf@ti.com>