ARM: dts: renesas: Fix R-Car spelling
The correct spelling is R-Car, including the dash, update the usage.
Comment change only, no functional change.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/arch/arm/dts/r8a77970-u-boot.dtsi b/arch/arm/dts/r8a77970-u-boot.dtsi
index d252c2e..7900c64 100644
--- a/arch/arm/dts/r8a77970-u-boot.dtsi
+++ b/arch/arm/dts/r8a77970-u-boot.dtsi
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Device Tree Source extras for U-Boot on RCar R8A77970 SoC
+ * Device Tree Source extras for U-Boot on R-Car R8A77970 SoC
*
* Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
*/