ar71xx-generic: backport support for TP-LINK TL-WR1043ND v4

docs/index.rst

...-from-LEDE-05abcf518d5e2b7d6526fd7a87a88a268030694a.patch

...ls-tplink-safeloader.c-Add-support-for-Archer-C2600.patch

...penwrt/0066-ar71xx-split-CPE210-from-CPE510-profile.patch

...ar71xx-generic-add-Support-for-TP-LINK-TL-WR940N-v4.patch

...plink-safeloader-update-support-list-for-CPE210-510.patch

...inkfw-initramfs-to-more-generic-mktplinkfw-combined.patch

...-utils-add-support-for-TL-WR1043ND-v4-to-mktplinkfw.patch

...wrt/0087-ar71xx-add-support-for-TP-LINK-WR1043ND-v4.patch

targets/ar71xx-generic/profiles.mk