Add overclock files to sdimages

Author: F5OEO

board/libre/post_image-uboot.sh

@@ -56,4 +56,4 @@ cp $BIN_DIR/pluto.dfu $SDIMGDIR/uImage
 cp $BIN_DIR/zynq-libre.dtb $SDIMGDIR/devicetree.dtb
 cp $BOARD_DIR/uboot-env.txt $SDIMGDIR/uEnv.txt
 
-cd $BIN_DIR && zip tezuka.zip boot.dfu boot.frm pluto.frm pluto.dfu sdimg/*
+cd $BIN_DIR && zip tezuka.zip boot.dfu boot.frm pluto.frm pluto.dfu sdimg/* sdimg/overclock/*