microblaze: fix several syscall entries
microblaze: fix several syscall entries

* linux/microblaze/syscallent.h (signalfd4, eventfd2, epoll_create1,
dup3, pipe2, inotify_init1, recvmmsg): Set sys_func.

Saruta/strace,cuviper/strace,MonkeyZZZZ/platform_external_strace,MonkeyZZZZ/platform_external_strace,MonkeyZZZZ/platform_external_strace,kapdop/android_external_strace,vrastogi/strace,Saruta/strace,vrastogi/strace,Distrotech/strace,cuviper/strace,Distrotech/strace,kapdop/android_external_strace,vrastogi/strace,Distrotech/strace,Distrotech/strace,Saruta/strace,Distrotech/strace,cuviper/strace,vrastogi/strace,cuviper/strace,cuviper/strace,vrastogi/strace,kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,MonkeyZZZZ/platform_external_strace,kapdop/android_external_strace,kapdop/android_external_strace,Saruta/strace,Saruta/strace