Implement and use new parsers of timer_gettime and timer_settime syscalls

Implement and use new parsers of timer_gettime and timer_settime syscalls

* time.c (SYS_FUNC(timer_gettime), SYS_FUNC(timer_settime)): Remove.
[HAVE_ARCH_TIME32_SYSCALLS] (SYS_FUNC(timer_gettime32),
SYS_FUNC(timer_settime32)): New functions.
* linux/64/syscallent.h: Replace SEN(timer_gettime) and
SEN(timer_settime) with SEN(timer_gettime64) and SEN(timer_settime64),
respectively.
* linux/alpha/syscallent.h: Likewise.
* linux/ia64/syscallent.h: Likewise.
* linux/mips/syscallent-n64.h: Likewise.
* linux/powerpc64/syscallent.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/sparc64/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/32/syscallent.h: Replace SEN(timer_gettime) and
SEN(timer_settime) with SEN(timer_gettime32) and SEN(timer_settime32),
respectively.
* linux/arm/syscallent.h: Likewise.
* linux/avr32/syscallent.h: Likewise.
* linux/bfin/syscallent.h: Likewise.
* linux/hppa/syscallent.h: Likewise.
* linux/i386/syscallent.h: Likewise.
* linux/m68k/syscallent.h: Likewise.
* linux/microblaze/syscallent.h: Likewise.
* linux/mips/syscallent-n32.h: Likewise.
* linux/mips/syscallent-o32.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/s390/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/sparc/syscallent.h: Likewise.
* linux/xtensa/syscallent.h: Likewise.