spi: mxc_spi: Fix double incrementing read pointer for unaligned buffers
If dout buffer is not 32 bit-aligned or data to transmit is not multiple of 32 bit the read data pointer is already incremented on single byte reads. Signed-off-by: NTimo Herbrecher <t.herbrecher@gateware.de> Signed-off-by: NJagannadha Sutradharudu Teki <jaganna@xilinx.com>
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