add localtime and localtime_r to aarch64 baremetal entrypoints

Author: zimirza

libc/config/baremetal/aarch64/entrypoints.txt

@@ -267,6 +267,8 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.time.difftime
     libc.src.time.gmtime
     libc.src.time.gmtime_r
+    libc.src.time.localtime
+    libc.src.time.localtime_r
     libc.src.time.mktime
     libc.src.time.strftime
     libc.src.time.strftime_l