Summary:
- I noticed that Telnet session is sometimes not closed
when tested with nxplayer + command stress test
- The symptom relates to the change of IOB throttling in TCP
but we are still finding the root cause.
- This commit is just a workaround to avoid the issue by
disabling telnet character mode.
Impact:
- spresense:rndis, spresense:rndis_smp only
Testing:
- Tested with nxplayer (HTTP audio streaming) + command stress test
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
e890e2e45c