ARM: dts: broadcom: adjust whitespace around '='

Fix whitespace coding style: use single space instead of tabs or
multiple spaces around '=' sign in property assignment.  No functional
changes (same DTB).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm28155-ap.dts

@@ -31,22 +31,22 @@ uart@3e000000 {
 	};
 
 	i2c@3e016000 {
-		status="okay";
+		status = "okay";
 		clock-frequency = <400000>;
 	};
 
 	i2c@3e017000 {
-		status="okay";
+		status = "okay";
 		clock-frequency = <400000>;
 	};
 
 	i2c@3e018000 {
-		status="okay";
+		status = "okay";
 		clock-frequency = <400000>;
 	};
 
 	i2c@3500d000 {
-		status="okay";
+		status = "okay";
 		clock-frequency = <100000>;
 
 		pmu: pmu@8 {