[media] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3

Adding these properties makes the I2C bus to the demodulators much
more reliable, and we no longer suffer from I2C errors when tuning.
Signed-off-by: NPeter Griffin <peter.griffin@linaro.org>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

arch/arm/boot/dts/stihxxx-b2120.dtsi

@@ -35,12 +35,18 @@
 			status = "okay";
 		};
 
-		i2c@9842000 {
+		ssc2: i2c@9842000 {
 			status = "okay";
+			clock-frequency = <100000>;
+			st,i2c-min-scl-pulse-width-us = <0>;
+			st,i2c-min-sda-pulse-width-us = <5>;
 		};
 
-		i2c@9843000 {
+		ssc3: i2c@9843000 {
 			status = "okay";
+			clock-frequency = <100000>;
+			st,i2c-min-scl-pulse-width-us = <0>;
+			st,i2c-min-sda-pulse-width-us = <5>;
 		};
 
 		i2c@9844000 {