[mlir][tosa] Remove trailing whitespaces (#136031)

Trivial format cleanup

Signed-off-by: Jerry Ge <[email protected]>

Author: Jerry-Ge

mlir/include/mlir/Dialect/Tosa/IR/TosaOpBase.td

@@ -250,9 +250,9 @@ def Tosa_EXT_DYNAMIC      : I32EnumAttrCase<"dynamic", 11>;
 
 def Tosa_ExtensionAttr
     : Tosa_I32EnumAttr<"Extension", "supported TOSA extensions", "ext", [
-      Tosa_EXT_NONE, Tosa_EXT_INT16, Tosa_EXT_INT4, Tosa_EXT_BF16, 
-      Tosa_EXT_FP8E4M3, Tosa_EXT_FP8E5M2, Tosa_EXT_FFT, Tosa_EXT_VARIABLE, 
-      Tosa_EXT_CONTROLFLOW, Tosa_EXT_DOUBLEROUND, Tosa_EXT_INEXACTROUND, 
+      Tosa_EXT_NONE, Tosa_EXT_INT16, Tosa_EXT_INT4, Tosa_EXT_BF16,
+      Tosa_EXT_FP8E4M3, Tosa_EXT_FP8E5M2, Tosa_EXT_FFT, Tosa_EXT_VARIABLE,
+      Tosa_EXT_CONTROLFLOW, Tosa_EXT_DOUBLEROUND, Tosa_EXT_INEXACTROUND,
       Tosa_EXT_DYNAMIC
     ]>;