AK3: fix unpackbootimg/unpackelf suffixes, fix elf to bootimg repack

- unpackbootimg/unpackelf kernel+ramdisk suffixes were corrected to match their corresponding mkbootimg argument in my latest forked tools (AIK-mobile v3.8)
- fix repack from unpackelf to mkbootimg broken base value introduced with AK3 rewrite

tools/ak3-core.sh

@@ -92,8 +92,8 @@ split_boot() {
     fi;
     $bin/unpackelf -i $bootimg;
     [ $? != 0 ] && dumpfail=1;
-    mv -f boot.img-zImage kernel.gz;
-    mv -f boot.img-ramdisk.cpio.gz ramdisk.cpio.gz;
+    mv -f boot.img-kernel kernel.gz;
+    mv -f boot.img-ramdisk ramdisk.cpio.gz;
     mv -f boot.img-cmdline cmdline.txt 2>/dev/null;
     if [ -f boot.img-dt -a ! -f "$bin/elftool" ]; then
       case $(od -ta -An -N4 boot.img-dt | sed -e 's/ del//' -e 's/   //g') in
@@ -304,7 +304,7 @@ flash_boot() {
     $bin/rkcrc -k $ramdisk $home/boot-new.img;
   elif [ -f "$bin/mkbootimg" -a -f "$bin/unpackelf" -a -f boot.img-base ]; then
     [ "$dt" ] && dt="--dt $dt";
-    $bin/mkbootimg --kernel $kernel --ramdisk $ramdisk --cmdline "$cmdline" --base $home --pagesize $pagesize --kernel_offset $kernel_offset --ramdisk_offset $ramdisk_offset --tags_offset "$tags_offset" $dt --output $home/boot-new.img;
+    $bin/mkbootimg --kernel $kernel --ramdisk $ramdisk --cmdline "$cmdline" --base $base --pagesize $pagesize --kernel_offset $kernel_offset --ramdisk_offset $ramdisk_offset --tags_offset "$tags_offset" $dt --output $home/boot-new.img;
   else
     [ "$kernel" ] && cp -f $kernel kernel;
     [ "$ramdisk" ] && cp -f $ramdisk ramdisk.cpio;