chore(aya-ebpf-cty): Add mips support

Signed-off-by: Dave Tucker <dave@dtucker.co.uk>

ebpf/aya-ebpf-cty/build.rs

@@ -12,6 +12,6 @@ fn main() {
         }
         println!("cargo:rustc-cfg=bpf_target_arch=\"{arch}\"");
     }
-    println!("cargo::rustc-check-cfg=cfg(bpf_target_arch, values(\"x86_64\",\"arm\",\"aarch64\",\"riscv64\",\"powerpc64\",\"s390x\"))");
+    println!("cargo::rustc-check-cfg=cfg(bpf_target_arch, values(\"x86_64\",\"arm\",\"aarch64\",\"riscv64\",\"powerpc64\",\"s390x\",\"mips\"))");
     println!("cargo::rustc-check-cfg=cfg(target_arch, values(\"asmjs\",\"nvptx\",\"xtensa\"))");
 }

ebpf/aya-ebpf-cty/src/lib.rs

@@ -33,6 +33,9 @@ mod ad {
     #[cfg(bpf_target_arch = "s390x")]
     pub type c_char = super::c_uchar;
 
+    #[cfg(bpf_target_arch = "mips")]
+    pub type c_char = super::c_uchar;
+
     #[cfg(bpf_target_arch = "x86_64")]
     pub type c_char = super::c_schar;
 }