misc: Drop x86 (32-bit support)

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>

Author: rbradford

CHANGELOG.md

@@ -5,6 +5,7 @@
 * system_event has been made into a new union
 - The x86 module has been renamed to x86_64 for consistency (matches the kernel
   architecture directory name)
+- Dropped "x86" (32-bit) x86 support
 
 ## [0.6.0]
 

README.md

@@ -5,7 +5,6 @@
 Rust FFI bindings to KVM, generated using
 [bindgen](https://crates.io/crates/bindgen). It currently has support for the
 following target architectures:
-- x86
 - x86_64
 - arm
 - arm64

src/lib.rs

@@ -11,9 +11,9 @@
 #[cfg(feature = "fam-wrappers")]
 extern crate vmm_sys_util;
 
-#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+#[cfg(target_arch = "x86_64")]
 mod x86_64;
-#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+#[cfg(target_arch = "x86_64")]
 pub use self::x86_64::*;
 
 #[cfg(any(target_arch = "aarch", target_arch = "aarch64"))]