x86: ivybridge: Move lpc_enable() into gma.c

This graphics init code is best placed in the gma init code. Move the code
and drop the function.

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

arch/x86/cpu/ivybridge/bd82x6x.c

@@ -29,7 +29,6 @@ static int bd82x6x_probe(struct udevice *dev)
 		return 0;
 
 	hose = pci_bus_to_hose(0);
-	lpc_enable(PCH_LPC_DEV);
 	lpc_init_extra(hose, PCH_LPC_DEV);
 
 	/* Cause the SATA device to do its init */

arch/x86/cpu/ivybridge/gma.c

@@ -806,6 +806,10 @@ int gma_func0_init(struct udevice *dev, const void *blob, int node)
 	u32 reg32;
 	int ret;
 
+	/* Enable PCH Display Port */
+	writew(0x0010, RCB_REG(DISPBDF));
+	setbits_le32(RCB_REG(FD2), PCH_ENABLE_DBDF);
+
 	ret = uclass_first_device(UCLASS_NORTHBRIDGE, &nbridge);
 	if (!nbridge)
 		return -ENODEV;

arch/x86/cpu/ivybridge/lpc.c

@@ -602,13 +602,6 @@ int lpc_init_extra(struct pci_controller *hose, pci_dev_t dev)
 	return 0;
 }
 
-void lpc_enable(pci_dev_t dev)
-{
-	/* Enable PCH Display Port */
-	writew(0x0010, RCB_REG(DISPBDF));
-	setbits_le32(RCB_REG(FD2), PCH_ENABLE_DBDF);
-}
-
 static int bd82x6x_lpc_early_init(struct udevice *dev)
 {
 	/* Setting up Southbridge. In the northbridge code. */

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

@@ -471,6 +471,5 @@ void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
 #define TCO2_STS	0x66
 
 int lpc_init_extra(struct pci_controller *hose, pci_dev_t dev);
-void lpc_enable(pci_dev_t dev);
 
 #endif