arm64: zynqmp: Convert board to use zynqmp-clk driver

Use zynqmp clock driver instead of fixed clocks.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig b/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
index 9bc0b77..409ec35 100644
--- a/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
+++ b/configs/xilinx_zynqmp_zc1751_xm018_dc4_defconfig
@@ -34,6 +34,7 @@
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_SPL_DM=y
 CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_CLK_ZYNQMP=y
 CONFIG_FPGA_XILINX=y
 CONFIG_FPGA_ZYNQMPPL=y
 CONFIG_DM_GPIO=y