clk: exynos: Fix typos in DT bindings documentation

s/comptible/compatible/
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>

Documentation/devicetree/bindings/clock/exynos4-clock.txt

@@ -6,7 +6,7 @@ SoC's in the Exynos4 family.
 
 Required Properties:
 
-- comptible: should be one of the following.
+- compatible: should be one of the following.
   - "samsung,exynos4210-clock" - controller compatible with Exynos4210 SoC.
   - "samsung,exynos4412-clock" - controller compatible with Exynos4412 SoC.
 

Documentation/devicetree/bindings/clock/exynos5250-clock.txt

@@ -5,7 +5,7 @@ controllers within the Exynos5250 SoC.
 
 Required Properties:
 
-- comptible: should be one of the following.
+- compatible: should be one of the following.
   - "samsung,exynos5250-clock" - controller compatible with Exynos5250 SoC.
 
 - reg: physical base address of the controller and length of memory mapped

Documentation/devicetree/bindings/clock/exynos5420-clock.txt

@@ -5,7 +5,7 @@ controllers within the Exynos5420 SoC.
 
 Required Properties:
 
-- comptible: should be one of the following.
+- compatible: should be one of the following.
   - "samsung,exynos5420-clock" - controller compatible with Exynos5420 SoC.
 
 - reg: physical base address of the controller and length of memory mapped

Documentation/devicetree/bindings/clock/exynos5440-clock.txt

@@ -5,7 +5,7 @@ controllers within the Exynos5440 SoC.
 
 Required Properties:
 
-- comptible: should be "samsung,exynos5440-clock".
+- compatible: should be "samsung,exynos5440-clock".
 
 - reg: physical base address of the controller and length of memory mapped
   region.