fix(tc): resolve the static-checks errors

Converted the space indentation to tabs to fix the
errors listed under tf-static-checks CI job.

Change-Id: Ie911a5befd0eeaa5a2019245cc3c43ad375cd068
Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
diff --git a/fdts/tc.dts b/fdts/tc.dts
index 1cf3f1b..5a8792e 100644
--- a/fdts/tc.dts
+++ b/fdts/tc.dts
@@ -336,14 +336,14 @@
 		status = "okay";
 	};
 
-        rtc0: rtc@1C170000 {
-                compatible = "arm,pl031", "arm,primecell";
-                reg = <0x0 0x1C170000 0x0 0x1000>;
-                interrupts = <0x0 100 0x4>;
-                clocks = <&soc_refclk100mhz>;
-                clock-names = "apb_pclk";
-                wakeup-source;
-        };
+	rtc0: rtc@1C170000 {
+		compatible = "arm,pl031", "arm,primecell";
+		reg = <0x0 0x1C170000 0x0 0x1000>;
+		interrupts = <0x0 100 0x4>;
+		clocks = <&soc_refclk100mhz>;
+		clock-names = "apb_pclk";
+		wakeup-source;
+	};
 
 	vencoder {
 		compatible = "drm,virtual-encoder";