Append common Linux syscalls into dictionary

The list was taken from Linux kernel source.
See https://github.com/paolostivanin/syscalls-table-64bit

scripts/aspell-pws

@@ -156,9 +156,136 @@ randombyte
 randombit
 ioctl
 syscall
+syscalls
 getrandom
 dev
 urandom
+arch
 aarch
 risc
 riscv
+lseek
+mmap
+mprotect
+munmap
+brk
+pread
+pwrite
+readv
+writev
+sched
+msync
+mincore
+madvise
+shmget
+shmat
+shmctl
+dup
+nanosleep
+getitimer
+setitimer
+getpid
+sendfile
+sendto
+recvfrom
+sendmsg
+recvmsg
+socketpair
+setsockopt
+getsockopt
+fcntl
+flock
+fsync
+fdatasync
+ftruncate
+getdents
+getcwd
+chdir
+fchdir
+mkdir
+rmdir
+creat
+unlink
+symlink
+readlink
+chmod
+fchmod
+chown
+fchown
+lchown
+umask
+gettimeofday
+getrlimit
+getrusage
+sysinfo
+ptrace
+getuid
+syslog
+getgid
+setuid
+setgid
+capget
+capset
+sigaltstack
+utime
+mknod
+ustat
+statfs
+fstatfs
+sysfs
+getpriority
+setpriority
+setparam
+getparam
+setscheduler
+getscheduler
+mlock
+munlock
+mlockall
+munlockall
+sysctl
+prctl
+adjtimex
+setrlimit
+chroot
+sync
+acct
+settimeofday
+umount
+swapon
+swapoff
+sethostname
+setdomainname
+ioperm
+readahead
+futex
+setaffinity
+getaffinity
+epoll
+fadvise
+settime
+gettime
+tgkill
+mq
+kexec
+ioprio
+inotify
+openat
+splice
+signalfd
+timerfd
+eventfd
+preadv
+pwritev
+recvmmsg
+seccomp
+userfaultfd
+compat
+rt
+rr
+sigaction
+sigprocmask
+alloc
+adjtime
+perf
+uring