arm64: zynqmp: Setup proper SPI dependency

Select DM_SPI/DM_SPI_FLASH for the whole SoC.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8346b17..a65e0c5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -946,6 +946,8 @@
 	select DM_ETH if NET
 	select DM_MMC if MMC
 	select DM_SERIAL
+	select DM_SPI if SPI
+	select DM_SPI_FLASH if DM_SPI
 	select DM_USB if USB
 	select OF_CONTROL
 	select SPL_BOARD_INIT if SPL