stm32mp1: ram: cosmetic: remove unused prototype

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/drivers/ram/stm32mp1/stm32mp1_ddr.h b/drivers/ram/stm32mp1/stm32mp1_ddr.h
index a8eed89..52b748f 100644
--- a/drivers/ram/stm32mp1/stm32mp1_ddr.h
+++ b/drivers/ram/stm32mp1/stm32mp1_ddr.h
@@ -197,10 +197,6 @@
 			 char *name,
 			 char *string);
 
-void stm32mp1_dump_info(
-	const struct ddr_info *priv,
-	const struct stm32mp1_ddr_config *config);
-
 bool stm32mp1_ddr_interactive(
 	void *priv,
 	enum stm32mp1_ddr_interact_step step,