x86: squash lines for immediate return

arch_cpu_init() can be simpler by this refactoring.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/baytrail/valleyview.c b/arch/x86/cpu/baytrail/valleyview.c
index b31f24e..b312d9f 100644
--- a/arch/x86/cpu/baytrail/valleyview.c
+++ b/arch/x86/cpu/baytrail/valleyview.c
@@ -25,15 +25,9 @@
 #ifndef CONFIG_EFI_APP
 int arch_cpu_init(void)
 {
-	int ret;
-
 	post_code(POST_CPU_INIT);
 
-	ret = x86_cpu_init_f();
-	if (ret)
-		return ret;
-
-	return 0;
+	return x86_cpu_init_f();
 }
 
 int arch_misc_init(void)