Merge tag 'smbios-2024-04-rc2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Merge tag 'smbios-2024-04-rc2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request smbios-2024-04-rc2

* In smbios command
  - write 'Not Specified' for missing strings
  - show correct table size for SMBIOS2.1 entry point
  - adjust formatting of handle numbers
  - add missing colon after UUID
* In generated SMBIOS table
  - avoid introducing 'Unknown' string for missing properties
  - provide RISC-V vendor ID in the type 4 structure
  - provide the correct chassis handle in structure type 2
* Rename Structure Table Maximum Size field in SMBIOS 3 entry point