i2c: sh_mobile: remove unneeded DMA mask
i2c: sh_mobile: remove unneeded DMA mask

We don't need the mask since we obtain the channels via DT.

Signed-off-by: Wolfram Sang <66ab244bc42248f12645ba300439b5263f6a6fca@sang-engineering.com>
Signed-off-by: Wolfram Sang <fd4ce474653598159cad06f3c83387a05cd53a44@the-dreams.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs