i2cdetect: display more functionality bits with '-F'

Original motivation was to add I2C_FUNC_SLAVE, so users can easily
find out if their hardware supports being a target. While here, add
HostNotify and 10-bit addressing as well.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>