bindings/rust/libflashrom: Create fat rust binding

Create a rust library wrapping libflashrom-sys in a more idiomatic rust
API.

BUG=b:230545739
BRANCH=None
TEST=cargo test

Change-Id: Ie3bcfde40dc475f6a9439ccab8e2446967f7d6dd
Signed-off-by: Evan Benn <evanbenn@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/65281
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

bindings/rust/libflashrom/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "libflashrom"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+libflashrom-sys = { path = "../libflashrom-sys" }
+libc = "0.2.124"
+regex = "1.5.5"
+once_cell = "1.7.2"
+
+[dev-dependencies]
+rusty-fork = "0.3.0"
+gag = "1"
+
+[build-dependencies]
+pkg-config = "0.3.19"
+cc = "1.0.72"