since the related code was removed by:
commit 4d5a964f29
Author: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
Date: Tue Feb 23 18:04:13 2021 +0800
net: unify socket into file descriptor
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Added a simple defconfig to support the userled driver and its application
for testing in the nsh.
Signed-off-by: Gustavo L F Walbon <gwalbon@linux.ibm.com>
