clk: clk-k3: Add support for J721S2 SoC

Add support for J721S2 SoC.

Signed-off-by: David Huang <d-huang@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
diff --git a/include/k3-clk.h b/include/k3-clk.h
index 59c76db..31292b5 100644
--- a/include/k3-clk.h
+++ b/include/k3-clk.h
@@ -173,6 +173,7 @@
 
 extern const struct ti_k3_clk_platdata j721e_clk_platdata;
 extern const struct ti_k3_clk_platdata j7200_clk_platdata;
+extern const struct ti_k3_clk_platdata j721s2_clk_platdata;
 
 struct clk *clk_register_ti_pll(const char *name, const char *parent_name,
 				void __iomem *reg);