bsd-user: Implement freebsd11 stat related syscalls

Rename the following syscalls to the freebsd11 variant:
do_freebsd_lstat -> do_freebsd11_lstat
do_freebsd_stat -> do_freebsd11_stat

Co-authored-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Michal Meloun <mmel@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>

bsd-user/freebsd/os-stat.h

@@ -20,6 +20,11 @@
 #ifndef BSD_USER_FREEBSD_OS_STAT_H
 #define BSD_USER_FREEBSD_OS_STAT_H
 
+int freebsd11_stat(const char *path, struct freebsd11_stat *stat);
+__sym_compat(stat, freebsd11_stat, FBSD_1.0);
+int freebsd11_lstat(const char *path, struct freebsd11_stat *stat);
+__sym_compat(lstat, freebsd11_lstat, FBSD_1.0);
+
 /* stat(2) */
 static inline abi_long do_freebsd11_stat(abi_long arg1, abi_long arg2)
 {