i2c speed up

[Matthias Katzengruber]

Hello,

I found the reason why the i2c is on the phone so slow.
The phone uses the driver i2c-s3c2410.c
And after each acces to i2c there is the function msleep(1).
Which needs on the openmoko about 10ms.
I made a little patch for that and now i2c is quite fast.
Maybe that should help someone. One I2C-Access needs now about ~0.6ms 
and before it was 10ms.
I attached the patch.

Kind regards,
Matthias Katzengruber
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