Add two new flags (IIC_M_NOSTOP and IIC_M_NOSTART) to struct iic_msg to allow consumers of iicbus_transfer() to send messages with repeated starts.
Add two new flags (IIC_M_NOSTOP and IIC_M_NOSTART) to struct iic_msg to
allow consumers of iicbus_transfer() to send messages with repeated starts.

Reviewed by:	imp

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