src/soc: Fix typo

Change-Id: I8053d0f0863aa4d93692487f1ca802195c2d475f
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27908
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/soc/rockchip/rk3399/clock.c b/src/soc/rockchip/rk3399/clock.c
index 5422deb..0b8c83f 100644
--- a/src/soc/rockchip/rk3399/clock.c
+++ b/src/soc/rockchip/rk3399/clock.c
@@ -804,7 +804,7 @@
 	int v;
 
 	/**
-	 * clk_i2s0_sel: divider ouput from fraction
+	 * clk_i2s0_sel: divider output from fraction
 	 * clk_i2s0_pll_sel source clock: cpll
 	 * clk_i2s0_div_con: 1 (div+1)
 	 */