All 3 properties are required by sram.yaml. Fixes the dtbs_check warning:
sram@900000: '#address-cells' is a required property
sram@900000: '#size-cells' is a required property
sram@900000: 'ranges' is a required property
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
                ocram: sram@900000 {
                        compatible = "mmio-sram";
                        reg = <0x00900000 0x20000>;
+                       ranges = <0 0x00900000 0x20000>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
                        clocks = <&clks IMX6QDL_CLK_OCRAM>;
                };