Switch to OpenWrt 18.06 branch

patches/lede/0014-procd-remove-procd-nand-package.patch

...s/lede/0015-base-files-always-use-staged-sysupgrade.patch

...ols-clean-up-trailing-whitespace-in-snapshot-script.patch

...ols-snapshot-handle-jffs2-conversion-using-upgraded.patch

patches/lede/0018-base-files-sysupgrade-cleanup.patch

...d-support-for-staged-sysupgrades-from-failsafe-mode.patch

...de-move-nand_do_upgrade-call-to-platform_do_upgrade.patch

...artition-table-change-check-to-platform_check_image.patch

...de/0022-x86-sysupgrade-refactor-platform_do_upgrade.patch

...xplicitly-rescan-disk-after-writing-partition-table.patch

.../0024-sunxi-sysupgrade-don-t-write-partitions-twice.patch

patches/lede/0025-sunxi-sysupgrade-sync-with-x86.patch

patches/lede/0026-mvebu-fix-sysupgrade.patch

...rted-fixes-for-certain-Winbond-Spansion-flash-chips.patch

...e/0029-vxlan-add-new-package-for-netifd-VXLAN-proto.patch

...data.pl-inhibit-compile-deps-on-missing-build-types.patch

...a-always-resolve-dependencies-through-provides-list.patch

...dle-nand_do_upgrade-argument-passed-from-preupgrade.patch

...upgrade-don-t-loop-forever-trying-to-kill-processes.patch

patches/lede/0034-bcm53xx-upgrade-fix-RAMFS_COPY_.patch