driver: core: add security label to devtmpfs nodes

Allow drivers to set security label(e.g. smack, selinux) to be used for their device nodes on devtmpfs. In this manner, some systems (e.g. Android, tizen etc.) can allow setting of security label on devtmpfs nodes even if there is no udev.

Namjae Jeon (3):
driver: core: add uid gid to class devnode
driver: core: add security labels to devtmpfs
driver: core: add security labels to misc class devnode

1.7.9.5