Update statx parser and syscall entries lists to the upstream

Update statx parser and syscall entries lists to the upstream

* linux/32/syscallent.h [291]: Add statx entry.
* linux/64/syscallent.h [291]: Likewise.
* linux/arm/syscallent.h [397]: Likewise.
* linux/m68k/syscallent.h [379]: Likewise.
* linux/mips/syscallent-n32.h [6330]: Likewise.
* linux/mips/syscallent-n64.h [5326]: Likewise.
* linux/mips/syscallent-o32.h [4366]: Likewise.
* linux/powerpc/syscallent.h [383]: Likewise.
* linux/s390/syscallent.h [379]: Likewise.
* linux/s390x/syscallent.h [379]: Likewise.
* linux/xtensa/syscallent.h [351]: Likewise.
* statx.h (struct_statx): Update.
* statx.c (SYS_FUNC(statx)): Print struct_statx.stx_attributes_mask.
* tests/xstatx.c (print_stat, main): Update to test decoding
of struct_statx.stx_attributes_mask.