==========
build_clang - FAILED


ld.lld: error: undefined symbol: fwnode_mdio_find_device
>>> referenced by core.c:651 (/home/nipa/net-next/wt-0/build_clang/../drivers/net/pcs/core.c:651)
>>>               vmlinux.o:(pcs_get_by_fwnode_compat)
make[3]: *** [../scripts/Makefile.vmlinux:77: vmlinux] Error 1
make[2]: *** [/home/nipa/net-next/wt-0/Makefile:1234: vmlinux] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/home/nipa/net-next/wt-0/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
ld.lld: error: undefined symbol: fwnode_mdio_find_device
>>> referenced by core.c:651 (/home/nipa/net-next/wt-0/build_clang/../drivers/net/pcs/core.c:651)
>>>               vmlinux.o:(pcs_get_by_fwnode_compat)
make[3]: *** [../scripts/Makefile.vmlinux:77: vmlinux] Error 1
make[2]: *** [/home/nipa/net-next/wt-0/Makefile:1234: vmlinux] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/home/nipa/net-next/wt-0/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2