samples: net: echo_client/server: Lower log level for OpenThread

OpenThread stack prints just too much data at the info log level,
completely obfuscating the output of the sample, which prints a lot on
its own. Therefore, lower the log level for OT logs.

Signed-off-by: Robert Lubos <[email protected]>

Author: rlubos

samples/net/sockets/echo_client/overlay-ot.conf

@@ -24,7 +24,7 @@ CONFIG_SHELL_STACK_SIZE=3072
 CONFIG_NET_L2_OPENTHREAD=y
 
 CONFIG_OPENTHREAD_DEBUG=y
-CONFIG_OPENTHREAD_LOG_LEVEL_INFO=y
+CONFIG_OPENTHREAD_LOG_LEVEL_WARN=y
 CONFIG_OPENTHREAD_L2_DEBUG=y
 CONFIG_OPENTHREAD_L2_LOG_LEVEL_INF=y
 

samples/net/sockets/echo_server/overlay-ot.conf

@@ -24,7 +24,7 @@ CONFIG_NVS=y
 CONFIG_NET_L2_OPENTHREAD=y
 
 CONFIG_OPENTHREAD_DEBUG=y
-CONFIG_OPENTHREAD_LOG_LEVEL_INFO=y
+CONFIG_OPENTHREAD_LOG_LEVEL_WARN=y
 CONFIG_OPENTHREAD_L2_DEBUG=y
 CONFIG_OPENTHREAD_L2_LOG_LEVEL_INF=y