Update tests for UEFI and AVR

Author: petrochenkov

src/test/codegen/abi-efiapi.rs

@@ -24,7 +24,7 @@ trait Freeze { }
 #[lang="copy"]
 trait Copy { }
 
-//x86_64: define win64cc void @has_efiapi
+//x86_64: define dso_local win64cc void @has_efiapi
 //i686: define void @has_efiapi
 //aarch64: define dso_local void @has_efiapi
 //arm: define dso_local void @has_efiapi

src/test/codegen/avr/avr-func-addrspace.rs

@@ -77,7 +77,7 @@ fn update_bar_value() {
     }
 }
 
-// CHECK: define void @test(){{.+}}addrspace(1)
+// CHECK: define dso_local void @test(){{.+}}addrspace(1)
 #[no_mangle]
 pub extern "C" fn test() {
     let mut buf = 7;