added PMBUILDs for dropbear linux zlib and fix for busybox uclibc

scripts/dropbear/PMBUILD

@@ -0,0 +1,36 @@
+pkgname=dropbear
+pkgver=2025.87
+pkgrel=1
+source="https://dropbear.nl/mirror/releases/dropbear-2025.87.tar.bz2"
+deps="uClibc-ng zlib"
+
+export PATH=$PATH:/opt/toolchains/arm-buildroot-linux-uclibcgnueabihf/bin
+export CROSS_COMPILE=arm-buildroot-linux-uclibcgnueabihf
+export ARCH=arm
+
+configure() {
+    cd $srcdir
+    tar -xvf $pkgname-$pkgver.tar.bz2
+    cd -
+    export srcdir=$srcdir/$pkgname-$pkgver
+    cd $srcdir
+    ./configure  \
+        --prefix=/usr \
+        --host=$CROSS_COMPILE \
+        --with-zlib=../../../../../build/rootfs/usr
+    cd -
+}
+
+build() {
+    make -C $srcdir -j$(nproc)
+}
+
+package() {
+    [ ! -d $pkgdir/usr ] && mkdir -pv $pkgdir/usr/bin && ln -sv bin $pkgdir/usr/sbin && mkdir -pv $pkgdir/usr/lib/init/services
+    make -C $srcdir DESTDIR=$pkgdir install
+    ${CROSS_COMPILE}-strip --strip-unneeded $pkgdir/usr/bin/*
+    cp -v dropbear.service $pkgdir/usr/lib/init/services
+    mkdir -pv $pkgdir/etc/{dropbear,default}
+    cp -v dropbear.default $pkgdir/etc/default/dropbear
+    rm -rv $pkgdir/usr/share
+}