gen_initramfs: provide /bin/udhcpc

defaults/initrd.d/00-nfs.sh

@@ -8,7 +8,7 @@ find_nfs() {
         return 1
     fi
 
-    if ! busybox udhcpc -n -T 15 -q; then
+    if ! udhcpc -n -T 15 -q; then
         bad_msg "udhcpc returned error, skipping nfs setup..."
         return 1
     fi

gen_initramfs.sh

@@ -131,7 +131,7 @@ append_busybox() {
 
     # Set up a few default symlinks
     local default_applets="[ ash sh mount uname ls echo cut cat flock stty"
-    default_applets+=" readlink mountpoint dmesg"
+    default_applets+=" readlink mountpoint dmesg udhcpc"
     for i in ${BUSYBOX_APPLETS:-${default_applets}}; do
         rm -f ${TEMP}/initramfs-busybox-temp/bin/$i
         ln -s busybox ${TEMP}/initramfs-busybox-temp/bin/$i ||