m68k: Wire up memfd_create

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index e906e3c..b419c6b 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -358,5 +358,6 @@
 #define __NR_sched_getattr	350
 #define __NR_renameat2		351
 #define __NR_getrandom		352
+#define __NR_memfd_create	353
 
 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */