hypervisor: Address Rust 1.51.0 clippy issue (upper_case_acroynms)

warning: name `TranslateGVA` contains a capitalized acronym
  --> hypervisor/src/arch/emulator/mod.rs:51:5
   |
51 |     TranslateGVA(#[source] anyhow::Error),
   |     ^^^^^^^^^^^^ help: consider making the acronym lowercase, except the initial letter: `TranslateGva`
   |
   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms

Signed-off-by: Rob Bradford <robert.bradford@intel.com>

hypervisor/src/arch/x86/mod.rs

@@ -27,7 +27,7 @@ pub const MTRR_MEM_TYPE_WB: u64 = 0x6;
 pub const NUM_IOAPIC_PINS: usize = 24;
 
 // X86 Exceptions
-#[allow(dead_code)]
+#[allow(dead_code, clippy::upper_case_acronyms)]
 #[derive(Clone, Debug)]
 pub enum Exception {
     DE = 0,  // Divide Error