Add raw_cpuid as a Git submodule too and use my forked and fixed version of it.

Pull Request to upstream is out (https://github.com/gz/rust-cpuid/pull/12), but I don't expect the fix to appear in an official release soon.

.gitmodules

@@ -13,3 +13,7 @@
 	path = librs/crates/x86
 	url = https://github.com/ColinFinck/rust-x86.git
 	branch = all-merged
+[submodule "librs/crates/raw_cpuid"]
+	path = librs/crates/raw_cpuid
+	url = https://github.com/ColinFinck/rust-cpuid.git
+	branch = extended-brand-string-fix

librs/Cargo.toml

@@ -10,15 +10,17 @@ crate-type = ["staticlib"]
 
 [dependencies]
 bitflags = "1.0.0"
-raw-cpuid = "3.0.0"
 spin = "0.4.6"
 
 [dependencies.lazy_static]
 version = "0.2.9"
 features = ["spin_no_std"]
 
+[dependencies.raw-cpuid]
+path = "crates/raw_cpuid"
+
 [dependencies.x86]
-path = "../../rust-x86"
+path = "crates/x86"
 default-features = false
 
 # The development profile, used for `cargo build`.

raw_cpuid @ cbd64dcf

+Subproject commit cbd64dcfa4248c1b2c8c0a044af7e0c86a0c6f39