Merge https://gitlab.denx.de/u-boot/custodians/u-boot-socfpga

- cyclone5 bugfix
diff --git a/arch/arm/dts/socfpga_cyclone5_socdk-u-boot.dtsi b/arch/arm/dts/socfpga_cyclone5_socdk-u-boot.dtsi
index 7d9874c..d24f621 100644
--- a/arch/arm/dts/socfpga_cyclone5_socdk-u-boot.dtsi
+++ b/arch/arm/dts/socfpga_cyclone5_socdk-u-boot.dtsi
@@ -68,3 +68,7 @@
 &portc {
 	bank-name = "portc";
 };
+
+&i2c0 {
+	i2c-scl-falling-time-ns = <300>;
+};