arch-arm: Fix access modifier in Arm*ProcessBits class

Change-Id: Ie983abc94dd9e62bbec3f584b70b0d04d6e8305d
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Signed-off-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/28248
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/arch/arm/freebsd/process.hh

@@ -39,7 +39,7 @@
 
 class ArmFreebsdProcessBits
 {
-  protected:
+  public:
     struct SyscallABI {};
 };
 

src/arch/arm/linux/process.hh

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2011-2012 ARM Limited
+ * Copyright (c) 2011-2012 ARM Limited
  * All rights reserved
  *
  * The license below extends only to copyright in the software and shall
@@ -47,7 +47,7 @@
 
 class ArmLinuxProcessBits
 {
-  protected:
+  public:
     struct SyscallABI {};
 };