/// Defines the entry point for the kernel. In x86_64, it expect a function that takes `(boot_info: &'static bootloader::BootInfo)` as arguments.
/// Example of use:
/// ```
/// mango_boot::entry_point(start_kernel);
///
/// fn start_kernel(boot_info: &'static bootloader::BootInfo)
/// {
/// ...
/// }
/// ```