Update linux-arm64-full

Update buildroot to 2025.05 (from 2021.09.20)
Improve build speed (remove unused apps and libs)
Update scripts
Update tests

Signed-off-by: Bensuperpc <bensuperpc@gmail.com>

imagefiles/build-and-install-openssh.sh

@@ -22,7 +22,9 @@ autoreconf
 
 ./configure --with-ssl-dir=/usr/local/ssl --prefix=/usr/local --with-libs=-lpthread
 
-make -j1 install
+
+make -j"$(nproc)"
+make install
 
 cd /usr/src
 rm -rf ${OPENSSH_SRC_DIR}