i2c: mediatek: Reset DMA engine in hardware init function
i2c: mediatek: Reset DMA engine in hardware init function

Reset DMA in hardware init function to avoid unknown hardware state
before do any I2C operation.

Signed-off-by: Liguo Zhang <e151aab27cbe01f899adf63febad44400c4c0f49@mediatek.com>
Signed-off-by: Eddie Huang <bb4a162eb5fbb0ec0f3d6e8cf5d86f810e0b8b89@mediatek.com>
Reviewed-by: Daniel Kurtz <31914e832df1cd8e5daa417106c0c6f5297b27d7@chromium.org>
Signed-off-by: Wolfram Sang <fd4ce474653598159cad06f3c83387a05cd53a44@the-dreams.de>

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