uart_console: Fix line endings

Overwhelming industry practice when using two-byte line termination is
to end the line with "\r\n" and not "\n\r".

Also remove needless casts.  GCC does not warn on int-to-char
conversions.

Change-Id: If01a2e5ca327aacebcbcaf384af9c7131119689b
Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
1 file changed