x86: ivybridge: Drop the unused bd82x6x_init_extra()

This function does nothing now so can be dropped.

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

arch/x86/cpu/ivybridge/bd82x6x.c

@@ -56,22 +56,6 @@ static int bd82x6x_probe(struct udevice *dev)
 	return 0;
 }
 
-/* TODO(sjg@chromium.org): Move this to the PCH init() method */
-int bd82x6x_init_extra(void)
-{
-	const void *blob = gd->fdt_blob;
-	int sata_node;
-
-	sata_node = fdtdec_next_compatible(blob, 0,
-					   COMPAT_INTEL_PANTHERPOINT_AHCI);
-	if (sata_node < 0) {
-		debug("%s: Cannot find SATA node\n", __func__);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 static int bd82x6x_pch_get_sbase(struct udevice *dev, ulong *sbasep)
 {
 	u32 rcba;

arch/x86/cpu/ivybridge/pci.c

@@ -22,7 +22,6 @@ static int pci_ivybridge_probe(struct udevice *bus)
 	if (!(gd->flags & GD_FLG_RELOC))
 		return 0;
 	post_code(0x50);
-	bd82x6x_init_extra();
 	post_code(0x51);
 
 	return 0;

arch/x86/include/asm/arch-ivybridge/bd82x6x.h

@@ -11,6 +11,5 @@ void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node);
 void bd82x6x_usb_ehci_init(pci_dev_t dev);
 void bd82x6x_usb_xhci_init(pci_dev_t dev);
 int gma_func0_init(struct udevice *dev, const void *blob, int node);
-int bd82x6x_init_extra(void);
 
 #endif