arm: vf610: Add QSPI driver support

Add Freescale QSPI driver support for VF610.

Signed-off-by: Alison Wang <Huan.Wang@freescale.com>
Signed-off-by: Chao Fu <b44548@freescale.com>
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 81b6af6..b587308 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -40,3 +40,4 @@
 obj-$(CONFIG_TI_QSPI) += ti_qspi.o
 obj-$(CONFIG_XILINX_SPI) += xilinx_spi.o
 obj-$(CONFIG_ZYNQ_SPI) += zynq_spi.o
+obj-$(CONFIG_FSL_QSPI) += fsl_qspi.o