Small nits to make couple of tests pass on mips targets.

src/test/codegen/link_section.rs

@@ -15,8 +15,14 @@
 // CHECK: @VAR1 = constant <{ [4 x i8] }> <{ [4 x i8] c"\01\00\00\00" }>, section ".test_one"
 #[no_mangle]
 #[link_section = ".test_one"]
+#[cfg(target_endian = "little")]
 pub static VAR1: u32 = 1;
 
+#[no_mangle]
+#[link_section = ".test_one"]
+#[cfg(target_endian = "big")]
+pub static VAR1: u32 = 0x01000000;
+
 pub enum E {
     A(u32),
     B(f32)

src/test/ui/asm-out-assign-imm.rs

@@ -12,6 +12,7 @@
 // ignore-emscripten
 // ignore-powerpc
 // ignore-sparc
+// ignore-mips
 
 #![feature(asm)]
 

src/test/ui/target-feature-wrong.rs

@@ -12,6 +12,7 @@
 // ignore-aarch64
 // ignore-wasm
 // ignore-emscripten
+// ignore-mips
 
 #![feature(target_feature)]