chore: use lld with rust

Dockerfile

@@ -8,6 +8,7 @@ RUN apk add --no-cache \
     gcc \
     musl-dev \
     libgcc \
+    lld \
     openssl-dev \
     pkgconfig \
     make \

Jenkinsfile

@@ -42,7 +42,7 @@ pipeline {
 					GCC = "${GCC_TARGET}-gcc"
 					LINKER_ENV_KEY = getLinkerEnv(TARGET)
 					PATH_CC = "/opt/${GCC_TARGET}-cross/bin:/home/sdk/.cargo/bin"
-					RUSTFLAGS = "-C target-feature=+crt-static"
+					RUSTFLAGS = "-C target-feature=+crt-static -C link-arg=-fuse-ld=lld"
 				}
 
 				stages {