main/lk2nd: upgrade to 20.0

Upgrade lk2nd to 20.0.

Additional changes:

• Add msm8996 subpackage
• Limit msm8953, msm8996, msm8952-xiaomi-land packages to aarch64.

Changelog:

• 1b7174a47f7a497c02f04e5951548cc685143dde dts: msm8916-samsung: fix grandprimelte dtb
• 93d6d6587afb5cb6adea93f81836d6c12171aedb dts: msm8996: Add support for Xiaomi Mi 5
• 29fd0213a35241f19e02c1371d6881530638325b dts: msm8953: Add support for Moto G5s Plus (sanders)
• 7da4fada949803505a9bcaaa8ae5fb25d369c8c4 dts: msm8917: huawei-agassi: new device
• b109d268c20e58da3b9051fac8ede80ab54e9555 dts: msm8916-samsung: Add support for another J5 2016 variant (j5xnltedx)
• eac962828f6c569b634405bd694fbe5be8553322 dts: msm8952: Add support for HMD Global Nokia 5
• d198b17a7360f8c763162a5d57b5e792f27bd643 dts: msm8916-samsung: fix qcom,board-id typo for e7000
• d76b47df7150af593458292430242ee236f42bd5 dts: msm8909: add ZTE N818S sapphire
• 3c6431bad122745e98999ddeb2e65c4c72dcae65 dts: msm8909-1gb-qrd-skuc: use macro QCOM_BOARD_ID()
• db00af47a6637b68657e6dfed93752a0f01b1a92 dts: msm8953: xiaomi-onclite: set lk2nd,dtb-files
• 4754d48fed853d56e932bbb9fdce8f0c3859af7a dts: msm8216-samsung: add e53g
• 26600197fc12852e7e561c72d5240508d3e97305 dts: msm8953: lenovo-kuntao: set lk2nd,dtb-files
• c6892ed1326657652eb6a870f5808e33fa1ac50c dts: msm8953: huawei-milan: set lk2nd,dtb-files
• 6552e948f4198445e8d9bc47f01ab6fd44d2ef26 dts: msm8909: lenovo-lxf-p5100: add auoOTM1287A_800p_video panel
• 47bb6b61968971e4b1e3416f5181e003dd52b8db dts: msm8909: lenovo-lxf-p5100: fix boent35523b panel compatite
• dfcc59540fd599dceaa8a3a2b33a195198315c82 dts: msm8909: lenovo-lxf-p5100: add lk2nd,dtb-files
• dbe44ab6f0358992536e2143f2a7ebf773e7102b dts: msm8226: Switch smartwatches to single-key navigation
• 6f2c9b30f9525dc234245aceeac1ccab441db425 lk2nd: device: menu: Add single-key navigation
• 50228050174362eb58757b753a6486c04b4e79a8 gitignore: Ignore compile_commands.json
• 1b7cd8f746c634abcff257a398fa212a7d7abdc8 dts: msm8953: xiaomi-daisy: fix board-id
• 73b52022de81fec1fd39dbc3d28a6338634fb697 dts: msm8909: Move lenovo yoga tab 3 to qrd-skue
• 9b849396c8f6fd1578faabf5bd0cb68c71f3c248 doc: Add Lenovo Yoga Tab 3 10 LTE
• 109de35c16478cc0b8daf0477013dc8b42a3872d dts: add MSM8909 QRD SKUB
• 5318c842ba33676c357cc4a48af2506a6f067453 doc: Add missed lk2nd,panel compatible to the documentation
• 7666686169462cbefba08c29916ed69299fcb1ea doc/dts: msm8974: Remove hammerhead from qcdtbs and document the quirks
• 41ad334da581f501ae5d29e2dad4f55bc054b928 lk2nd: boot: Make missing bootable fs state clear in the log