The Gitlab will upgrade to latest version for security in the Oct 7th (9:00 ~ 12:00 UTC+8), during the time, the Gitlab site will be offline.
Add the I2C bus clock speed to the platform data structure.
If not set, default to 100KHz as before.
Signed-off-by: Andrew Lunn <firstname.lastname@example.org>
Signed-off-by: Wolfram Sang <email@example.com>