uefi: process: Add args support

[Ayush1325]

• Wrap all args with quotes.
• Escape ^ and " inside quotes using ^.
• Doing reverse of arg parsing:

  rust/library/std/src/sys/pal/uefi/args.rs

  Line 81 in d571ae8

  fn parse_lp_cmd_line(code_units: &[u16]) -> Option<Vec<OsString>> {

r​? joboet

[rustbot]

r? @Amanieu

rustbot has assigned @Amanieu.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

[Ayush1325]

r? @joboet

[rustbot]

Could not assign reviewer from: joboet.
User(s) joboet are either the PR author, already assigned, or on vacation, and there are no other candidates.
Use r? to specify someone else to assign.

[Ayush1325]

Well, any new reviewer might want to look at: #123196 for more context about uefi process.

[Ayush1325]

ping @Amanieu