ENETC hardware Time-sensitive Network support

configname: CONFIG_FSL_ENETC_QOS

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>ENETC hardware Time-sensitive Network support
In linux kernel since version 5.1 (release Date: 2019-05-05)  
There are Time-Sensitive Network(TSN) capabilities(802.1Qbv/802.1Qci
/802.1Qbu etc.) supported by ENETC. These TSN capabilities can be set
enable/disable from user space via Qos commands(tc). In the kernel
side, it can be loaded by Qos driver. Currently, it is only support
taprio(802.1Qbv) and Credit Based Shaper(802.1Qbu).