fix systemd sandboxing for powerpc64 / ppc64el platform

https://forums.whonix.org/t/apply-systemd-sandboxing-by-default-to-some-services/7590/58

lib/systemd/system/sdwdate.service

@@ -60,7 +60,8 @@ RestrictRealtime=true
 RestrictSUIDSGID=true
 RestrictAddressFamilies=AF_UNIX AF_INET
 RestrictNamespaces=true
-SystemCallFilter=wait4 select futex read stat close openat fstat lseek mmap rt_sigaction getdents64 mprotect ioctl recvfrom munmap brk rt_sigprocmask fcntl getpid write access socket sendto dup2 clone execve getrandom geteuid getgid madvise getuid getegid readlink pipe rt_sigreturn connect pipe2 prlimit64 set_robust_list dup arch_prctl lstat set_tid_address sysinfo sigaltstack rt_sigsuspend shutdown timer_settime mkdir timer_create statfs getcwd setpgid setsockopt uname bind getpgrp getppid getpeername chdir poll getsockname fadvise64 clock_settime kill getsockopt unlink
+## powerpc64 / ppc64el: _llseek send waitpid recv prctl _newselect
+SystemCallFilter=wait4 select futex read stat close openat fstat lseek mmap rt_sigaction getdents64 mprotect ioctl recvfrom munmap brk rt_sigprocmask fcntl getpid write access socket sendto dup2 clone execve getrandom geteuid getgid madvise getuid getegid readlink pipe rt_sigreturn connect pipe2 prlimit64 set_robust_list dup arch_prctl lstat set_tid_address sysinfo sigaltstack rt_sigsuspend shutdown timer_settime mkdir timer_create statfs getcwd setpgid setsockopt uname bind getpgrp getppid getpeername chdir poll getsockname fadvise64 clock_settime kill getsockopt unlink _llseek send waitpid recv prctl _newselect
 SystemCallArchitectures=native
 
 [Install]