[PATCH v4 8/8] i2c: designware: Add doorbell support for Skyrim

[Mark Hasemeyer]

> +static int psp_send_i2c_req_skyrim(enum psp_i2c_req_type i2c_req_type)
> +{
> +	return psp_ring_platform_doorbell(i2c_req_type);
> +}
Should this function retry acquiring the I2C bus while it is busy?  Similar to
how the cezanne variant works. Also wondering if the function should be named
psp_send_i2c_req_mendocino for consistency.

Sorry about the repost, the quoted code wasn't included originally.