clk: Fix typo in Zynq Kconfig symbol description

Trivial typo fix.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 4aeaa0c..40a5a5d 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -125,7 +125,7 @@
 	depends on CLK && ARCH_ZYNQ
 	default y
 	help
-	  This clock driver adds support for clock realted settings for
+	  This clock driver adds support for clock related settings for
 	  Zynq platform.
 
 config CLK_ZYNQMP