zynq: Kconfig: Enable dm spi and spi_flash

Enabled CONFIG_DM_SPI and CONFIG_DM_SPI_FLASH for zynq soc.
Signed-off-by: NJagan Teki <jteki@openedev.com>
Acked-by: NSimon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: NJagan Teki <jteki@openedev.com>

arch/arm/Kconfig

@@ -671,6 +671,8 @@ config ARCH_ZYNQ
 	select CPU_V7
 	select SUPPORT_SPL
 	select DM
+	select DM_SPI
+	select DM_SPI_FLASH
 
 config TARGET_XILINX_ZYNQMP
 	bool "Support Xilinx ZynqMP Platform"