build(deps): bump x86_64 from 0.13.5 to 0.14.0

Bumps [x86_64](https://github.com/rust-osdev/x86_64) from 0.13.5 to 0.14.0.
- [Release notes](https://github.com/rust-osdev/x86_64/releases)
- [Changelog](https://github.com/rust-osdev/x86_64/blob/master/Changelog.md)
- [Commits](rust-osdev/x86_64@v0.13.5...v0.14.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

Cargo.lock

@@ -26,7 +26,7 @@ coreboot = []
 
 [dependencies]
 bitflags = "1.2.1"
-x86_64 = "0.13.5"
+x86_64 = "0.14.0"
 atomic_refcell = "0.1.7"
 r-efi = "3.2.0"
 uart_16550 = "0.2.12"