include: firmware: Remove duplicate newlines

Drop all duplicate newlines. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/include/firmware/imx/sci/rpc.h b/include/firmware/imx/sci/rpc.h
index 85af6f3..28adec2 100644
--- a/include/firmware/imx/sci/rpc.h
+++ b/include/firmware/imx/sci/rpc.h
@@ -44,7 +44,6 @@
 #define SC_RPC_SVC_SECO         9U
 #define SC_RPC_SVC_ABORT        10U
 
-
 /* Types */
 
 struct sc_rpc_msg_s {