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_ep_defconfig b/configs/xilinx_zynqmp_ep_defconfig
index 903dc48..37b8052 100644
--- a/configs/xilinx_zynqmp_ep_defconfig
+++ b/configs/xilinx_zynqmp_ep_defconfig
@@ -40,6 +40,8 @@
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_EMBED=y
 CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
 CONFIG_SYS_I2C_CADENCE=y
 CONFIG_DM_MMC=y
 CONFIG_ZYNQ_SDHCI=y