clk: versal: Add clock driver support

This patch adds clock driver support for Versal platform. The clock driver
queries and performs clock operations using PLM firmware by communicating
with it using SMC calls.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 68aabe1..d7cea3b 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -43,3 +43,4 @@
 obj-$(CONFIG_SANDBOX_CLK_CCF) += clk_sandbox_ccf.o
 obj-$(CONFIG_STM32H7) += clk_stm32h7.o
 obj-$(CONFIG_CLK_TI_SCI) += clk-ti-sci.o
+obj-$(CONFIG_CLK_VERSAL) += clk_versal.o