[aarch64-port-dev ] RFR: aarch64: fix some comments

[Yangfei (Felix)]

Hi,

  The patch fixes some obvious typo in comments. 
  As I cannot push this into JDK8/JDK9, I need a sponsor. 

Thanks, 
Felix


diff -r 1ad2c1aa7aac src/cpu/aarch64/vm/c2_init_aarch64.cpp
--- a/src/cpu/aarch64/vm/c2_init_aarch64.cpp    Thu Jul 02 12:42:24 2015 +0100
+++ b/src/cpu/aarch64/vm/c2_init_aarch64.cpp    Wed Jul 29 10:31:15 2015 +0800
@@ -28,10 +28,8 @@
 #include "opto/compile.hpp"
 #include "opto/node.hpp"

-// processor dependent initialization for i486
+// processor dependent initialization for aarch64

 void Compile::pd_compiler2_init() {
   guarantee(CodeEntryAlignment >= InteriorEntryAlignment, "" );
-  // QQQ presumably all 64bit cpu's support this. Seems like the ifdef could
-  // simply be left out.
 }