WS cleanup: remove SPACE(s) followed by TAB

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/doc/device-tree-bindings/tpm2/sandbox.txt b/doc/device-tree-bindings/tpm2/sandbox.txt
index 3d0f727..05a310e 100644
--- a/doc/device-tree-bindings/tpm2/sandbox.txt
+++ b/doc/device-tree-bindings/tpm2/sandbox.txt
@@ -7,5 +7,5 @@
 Example:
 
 	tpm {
- 		compatible = "sandbox,tpm2";
+		compatible = "sandbox,tpm2";
 	};