Add 'armv5te-unknown-linux-musleabi' target support (#478)

Author: antage

src/lib.rs

@@ -1994,6 +1994,7 @@ impl Build {
                         "arm-unknown-linux-gnueabi" => Some("arm-linux-gnueabi"),
                         "armv4t-unknown-linux-gnueabi" => Some("arm-linux-gnueabi"),
                         "armv5te-unknown-linux-gnueabi" => Some("arm-linux-gnueabi"),
+                        "armv5te-unknown-linux-musleabi" => Some("arm-linux-gnueabi"),
                         "arm-frc-linux-gnueabi" => Some("arm-frc-linux-gnueabi"),
                         "arm-unknown-linux-gnueabihf" => Some("arm-linux-gnueabihf"),
                         "arm-unknown-linux-musleabi" => Some("arm-linux-musleabi"),