3f12cc4bb0
Append i2c-sysfs to toctree in order to get rid of building warnings. Fixes: 31df7195b100 ("Documentation: i2c: Add doc for I2C sysfs") Signed-off-by: Hu Haowen <src.res@email.cn> Signed-off-by: Wolfram Sang <wsa@kernel.org>