Add a "fork" of musl as //fusl.

fusl/arch/microblaze/bits/sem.h

Index: fusl/arch/microblaze/bits/sem.h
diff --git a/fusl/arch/microblaze/bits/sem.h b/fusl/arch/microblaze/bits/sem.h
new file mode 100644
index 0000000000000000000000000000000000000000..c629b81ebb2a097b823aae6caac56cf34f2b2dc8
--- /dev/null
+++ b/fusl/arch/microblaze/bits/sem.h
@@ -0,0 +1,16 @@
+struct semid_ds {
+	struct ipc_perm sem_perm;
+	time_t sem_otime;
+	time_t __unused1;
+	time_t sem_ctime;
+	time_t __unused2;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned short sem_nsems;
+	char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
+#else
+	char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
+	unsigned short sem_nsems;
+#endif
+	time_t __unused3;
+	time_t __unused4;
+};