fsl_espi_read_reg16 / fsl_espi_write_reg16 are supposed to read / write
big endian values. Therefore ioread16be / iowrite16be have to be used.
Fixes: 	058234328445 ("eliminate need for linearization when writing to hardware")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 
 static inline u16 fsl_espi_read_reg16(struct fsl_espi *espi, int offset)
 {
-       return ioread16(espi->reg_base + offset);
+       return ioread16be(espi->reg_base + offset);
 }
 
 static inline u8 fsl_espi_read_reg8(struct fsl_espi *espi, int offset)
 static inline void fsl_espi_write_reg16(struct fsl_espi *espi, int offset,
                                        u16 val)
 {
-       iowrite16(val, espi->reg_base + offset);
+       iowrite16be(val, espi->reg_base + offset);
 }
 
 static inline void fsl_espi_write_reg8(struct fsl_espi *espi, int offset,