added PMBUILDs for dropbear linux zlib and fix for busybox uclibc

scripts/busybox/PMBUILD

@@ -4,17 +4,22 @@ pkgrel=1
 source="https://busybox.net/downloads/busybox-1.36.1.tar.bz2"
 deps="uClibc-ng"
 
+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
     cp -v busybox.config $srcdir/.config
-    make -C $srcdir oldconfig
+    make -C $srcdir ARCH=$ARCH CROSS_COMPILE=$CROSS_COMPILE- oldconfig
 }
 
 build() {
-    make -C $srcdir -j$(nproc)
+    make -C $srcdir ARCH=$ARCH CROSS_COMPILE=$CROSS_COMPILE- -j$(nproc)
+    $CROSS_COMPILE-strip $srcdir/busybox
 }
 
 package() {