cleanup after cpu features interface rework

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12478 6c8e4198-a580-4521-a02f-c9ae86df1db9
compilation fixes with debugger enabled

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12479 6c8e4198-a580-4521-a02f-c9ae86df1db9
don't forget to initialize (clear) cpu features bitmask in the beginning ...

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12480 6c8e4198-a580-4521-a02f-c9ae86df1db9