drivers: i2s: apply new data size for DMA interface

the old DMA driver used to use 1 to stand for 16 bits, while the
new driver uses 2 to stand for 16 bits, which means the
'source_data_size' and the 'dest_data_size' should be 2.

Signed-off-by: Song Qiang <songqiang1304521@gmail.com>
1 file changed