sb/intel/i82801ix: Rename i82801ix_lpc_decode()

For consistency with other Intel southbridges, we rename this function
to `i82801ix_lpc_setup`.

Tested with BUILD_TIMELESS=1, Roda RK9 does not change.

Change-Id: Id8b3bcc9174277e085868866a1b5d90b5c51201a
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42633
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/southbridge/intel/i82801ix/bootblock.c

@@ -14,5 +14,5 @@ void bootblock_early_southbridge_init(void)
 	enable_spi_prefetch();
 
 	i82801ix_early_init();
-	i82801ix_lpc_decode();
+	i82801ix_lpc_setup();
 }

src/southbridge/intel/i82801ix/early_init.c

@@ -51,7 +51,7 @@ void i82801ix_early_init(void)
 	         before they get cleared. */
 }
 
-void i82801ix_lpc_decode(void)
+void i82801ix_lpc_setup(void)
 {
 	const pci_devfn_t d31f0 = PCI_DEV(0, 0x1f, 0);
 	const struct device *dev = pcidev_on_root(0x1f, 0);

src/southbridge/intel/i82801ix/i82801ix.h

@@ -194,7 +194,7 @@ static inline int lpc_is_mobile(const u16 devid)
 void aseg_smm_lock(void);
 
 void i82801ix_early_init(void);
-void i82801ix_lpc_decode(void);
+void i82801ix_lpc_setup(void);
 void i82801ix_dmi_setup(void);
 void i82801ix_dmi_poll_vc1(void);