ARM64: zynqmp: Enable CLK framework

ZynqMP is using fixed clocks now that's why enabling it to be available
for drivers.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_zcu102_defconfig b/configs/xilinx_zynqmp_zcu102_defconfig
index 1ebadd2..46a5dd0 100644
--- a/configs/xilinx_zynqmp_zcu102_defconfig
+++ b/configs/xilinx_zynqmp_zcu102_defconfig
@@ -30,6 +30,8 @@
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
 CONFIG_DM_MMC=y
 CONFIG_ZYNQ_SDHCI=y
 CONFIG_SPI_FLASH=y