ARM: shmobile: r8a7791 dtsi: Fix typo in msiof2 clock output name

Introduced in commit cded80f869aef94853e056ab9c21e305b0c26138 ("ARM:
shmobile: r8a7791: Add MSIOF clocks in device tree").

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/r8a7791.dtsi

@@ -429,7 +429,7 @@
 				R8A7791_CLK_MSIOF1 R8A7791_CLK_SCIFB2
 			>;
 			clock-output-names =
-				"scifa2", "scifa1", "scifa0", "misof2", "scifb0",
+				"scifa2", "scifa1", "scifa0", "msiof2", "scifb0",
 				"scifb1", "msiof1", "scifb2";
 		};
 		mstp3_clks: mstp3_clks@e615013c {