x86: mp_init: Avoid declarations in header files

The functions used by the flight plan are declared in the header file but
are not used in any other file.

Move the flight plan steps down to just above where it is used so that we
can make these function static.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NWolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: NBin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/mp_init.c

@@ -41,10 +41,6 @@ struct saved_msr {
 	uint32_t hi;
 } __packed;
 
-static struct mp_flight_record mp_steps[] = {
-	MP_FR_BLOCK_APS(mp_init_cpu, NULL, mp_init_cpu, NULL),
-};
-
 struct mp_flight_plan {
 	int num_records;
 	struct mp_flight_record *records;
@@ -423,6 +419,26 @@ static int init_bsp(struct udevice **devp)
 	return 0;
 }
 
+static int mp_init_cpu(struct udevice *cpu, void *unused)
+{
+	struct cpu_platdata *plat = dev_get_parent_platdata(cpu);
+
+	/*
+	 * Multiple APs are brought up simultaneously and they may get the same
+	 * seq num in the uclass_resolve_seq() during device_probe(). To avoid
+	 * this, set req_seq to the reg number in the device tree in advance.
+	 */
+	cpu->req_seq = dev_read_u32_default(cpu, "reg", -1);
+	plat->ucode_version = microcode_read_rev();
+	plat->device_id = gd->arch.x86_device;
+
+	return device_probe(cpu);
+}
+
+static struct mp_flight_record mp_steps[] = {
+	MP_FR_BLOCK_APS(mp_init_cpu, NULL, mp_init_cpu, NULL),
+};
+
 int mp_init(void)
 {
 	int num_aps;
@@ -495,19 +511,3 @@ int mp_init(void)
 
 	return 0;
 }
-
-int mp_init_cpu(struct udevice *cpu, void *unused)
-{
-	struct cpu_platdata *plat = dev_get_parent_platdata(cpu);
-
-	/*
-	 * Multiple APs are brought up simultaneously and they may get the same
-	 * seq num in the uclass_resolve_seq() during device_probe(). To avoid
-	 * this, set req_seq to the reg number in the device tree in advance.
-	 */
-	cpu->req_seq = dev_read_u32_default(cpu, "reg", -1);
-	plat->ucode_version = microcode_read_rev();
-	plat->device_id = gd->arch.x86_device;
-
-	return device_probe(cpu);
-}

arch/x86/include/asm/mp.h

@@ -72,9 +72,6 @@ struct mp_flight_record {
  */
 int mp_init(void);
 
-/* Probes the CPU device */
-int mp_init_cpu(struct udevice *cpu, void *unused);
-
 /* Set up additional CPUs */
 int x86_mp_init(void);