spi/spi-fsl-spi: Introduce a type for the driver

For being able to distinguishing between the regular type of cores and others
with different entries in of_fsl_spi_match.

Acked-by: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/spi/spi-fsl-lib.h b/drivers/spi/spi-fsl-lib.h
index eae54b6..5a9c36c 100644
--- a/drivers/spi/spi-fsl-lib.h
+++ b/drivers/spi/spi-fsl-lib.h
@@ -70,6 +70,8 @@
 	unsigned int flags;
 
 #ifdef CONFIG_SPI_FSL_SPI
+	int type;
+
 	void (*set_shifts)(u32 *rx_shift, u32 *tx_shift,
 			   int bits_per_word, int msb_first);
 #endif