Merge tag 'doc-2023-10-rc5' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request doc-2023-10-rc5

Documentation:

* move more TI board documentation to HTML
* update TPM usage instructions for qemu-arm
* update the EFI app documentation

Other:

* tpm: Fix autostart for TPM1.2 devices
* spl: fix undefined return value in spl_blk_load_image