arch: Correct style in the ISA base class.

Change-Id: I1732f519bf3eab1dff8b9a9a30fc8e5e132d067d
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40105
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Gabe Black <gabe.black@gmail.com>

src/arch/generic/isa.hh

@@ -52,10 +52,7 @@ class BaseISA : public SimObject
     ThreadContext *tc = nullptr;
 
   public:
-    virtual void
-    takeOverFrom(ThreadContext *new_tc, ThreadContext *old_tc)
-    {}
-
+    virtual void takeOverFrom(ThreadContext *new_tc, ThreadContext *old_tc) {}
     virtual void setThreadContext(ThreadContext *_tc) { tc = _tc; }
 };