spi: mpc8xxx_spi: Use BIT macro

Replace numerical bit shift with BIT macro
in mpc8xxx_spi

:%s/(1 << nr)/BIT(nr)/g
where nr = 0, 1, 2 .... 31

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c
index 0d59c36..00cbcbf 100644
--- a/drivers/spi/mpc8xxx_spi.c
+++ b/drivers/spi/mpc8xxx_spi.c
@@ -55,7 +55,7 @@
 	 * some registers
 	 */
 	spi->mode = SPI_MODE_REV | SPI_MODE_MS | SPI_MODE_EN;
-	spi->mode = (spi->mode & 0xfff0ffff) | (1 << 16); /* Use SYSCLK / 8
+	spi->mode = (spi->mode & 0xfff0ffff) | BIT(16); /* Use SYSCLK / 8
 							     (16.67MHz typ.) */
 	spi->event = 0xffffffff;	/* Clear all SPI events */
 	spi->mask = 0x00000000;	/* Mask  all SPI interrupts */