zynq: Kconfig: Enable dm spi and spi_flash

Enabled CONFIG_DM_SPI and CONFIG_DM_SPI_FLASH for zynq soc.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Acked-by: Simon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: Jagan Teki <jteki@openedev.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0829235..5f026f0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -671,6 +671,8 @@
 	select CPU_V7
 	select SUPPORT_SPL
 	select DM
+	select DM_SPI
+	select DM_SPI_FLASH
 
 config TARGET_XILINX_ZYNQMP
 	bool "Support Xilinx ZynqMP Platform"