spi: zynqmp_gqspi: Add support for ZynqMP qspi driver

This patch adds qspi driver support for ZynqMP SoC. This
driver is responsible for communicating with qspi flash
devices.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
[jagan: removed GQSPI_MIO_NUM_ macros]
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index e73b0cd..95b03a2 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -52,3 +52,4 @@
 obj-$(CONFIG_XILINX_SPI) += xilinx_spi.o
 obj-$(CONFIG_ZYNQ_SPI) += zynq_spi.o
 obj-$(CONFIG_ZYNQ_QSPI) += zynq_qspi.o
+obj-$(CONFIG_ZYNQMP_GQSPI) += zynqmp_gqspi.o