x86: Fix comments of register/stack access functions
x86: Fix comments of register/stack access functions

Fix typos and some redundant comments of register/stack access
functions in asm/ptrace.h.

Signed-off-by: Masami Hiramatsu <308c3db2ad395e67f502db11a9ceb1603d4442e0@redhat.com>
Cc: systemtap <922727025a0cf43e784fa68f5f4f4f544f8fca4e@sources.redhat.com>
Cc: DLE <1e1188b208cf1d83fd3b4d9428c370cd420ad15b@lists.sourceforge.net>
Cc: Frederic Weisbecker <e8a1bf9163cb25e93cfd6540f223b3872ea7ee55@gmail.com>
Cc: Roland McGrath <0d270388f2f92757a5de0f4bd891d3b392c44c4f@redhat.com>
Cc: Oleg Nesterov <20b70f0af00562e63758b9ee42012ecc96c58590@redhat.com>
Cc: Wenji Huang <8292ae49217b25322b6733efc03e93d03677338d@oracle.com>
Cc: Mahesh J Salgaonkar <6a890e1065a1d4e8df9dcf1d9a2c9c740bbcf8aa@linux.vnet.ibm.com>
LKML-Reference: <a5274d359cf11c557e9745cfcaf2cccb78578562@harusame>
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>
Suggested-by: Wenji Huang <8292ae49217b25322b6733efc03e93d03677338d@oracle.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs