misc: hypervisor: drop extern crate, use modern rust

This commit is part of a series of similar commits.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com

hypervisor/src/arch/x86/emulator/instructions/mod.rs

@@ -4,6 +4,7 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+use anyhow::anyhow;
 use iced_x86::*;
 
 use crate::arch::emulator::{EmulationError, PlatformEmulator, PlatformError};

hypervisor/src/arch/x86/emulator/instructions/movs.rs

@@ -10,6 +10,8 @@
 // MOVS - Move Data from String to String
 //
 
+use anyhow::anyhow;
+
 use crate::arch::x86::emulator::instructions::*;
 use crate::arch::x86::regs::DF;
 

hypervisor/src/arch/x86/emulator/instructions/stos.rs

@@ -10,6 +10,8 @@
 // STOS - Store String
 //
 
+use anyhow::anyhow;
+
 use crate::arch::x86::emulator::instructions::*;
 use crate::arch::x86::regs::DF;
 

hypervisor/src/arch/x86/emulator/mod.rs

@@ -4,8 +4,9 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-use anyhow::Context;
+use anyhow::{Context, anyhow};
 use iced_x86::*;
+use log::debug;
 
 use crate::StandardRegisters;
 use crate::arch::emulator::{EmulationError, EmulationResult, PlatformEmulator, PlatformError};