x86: Use the standard arch_cpu_init() function

Instead of an x86-specific cpu_init_f() function, use the normal U-Boot one
for this purpose. Also remove a useless/misleading comment.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/coreboot/coreboot.c

@@ -20,18 +20,17 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/*
- * Miscellaneous platform dependent initializations
- */
-int cpu_init_f(void)
+int arch_cpu_init(void)
 {
 	int ret = get_coreboot_info(&lib_sysinfo);
-	if (ret != 0)
+	if (ret != 0) {
 		printf("Failed to parse coreboot tables.\n");
+		return ret;
+	}
 
 	timestamp_init();
 
-	return ret;
+	return x86_cpu_init_f();
 }
 
 int board_early_init_f(void)

arch/x86/cpu/cpu.c

@@ -130,7 +130,6 @@ int x86_cpu_init_f(void)
 
 	return 0;
 }
-int cpu_init_f(void) __attribute__((weak, alias("x86_cpu_init_f")));
 
 int x86_cpu_init_r(void)
 {

arch/x86/include/asm/u-boot-x86.h

@@ -9,6 +9,7 @@
 #define _U_BOOT_I386_H_	1
 
 /* cpu/.../cpu.c */
+int arch_cpu_init(void);
 int x86_cpu_init_r(void);
 int cpu_init_r(void);
 int x86_cpu_init_f(void);

common/board_f.c

@@ -818,7 +818,6 @@ static init_fnc_t init_sequence_f[] = {
 #endif
 	arch_cpu_init,		/* basic arch cpu dependent setup */
 #ifdef CONFIG_X86
-	cpu_init_f,		/* TODO(sjg@chromium.org): remove */
 # ifdef CONFIG_OF_CONTROL
 	find_fdt,		/* TODO(sjg@chromium.org): remove */
 # endif