sb/intel/i82801ix: Update comment on default decoded IO ranges

Now the comment matches what is programmed into LPC_EN.

Change-Id: Ia01cf4bd068a593fc91e9ac12d0adf42d4ee937b
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36995
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/southbridge/intel/i82801ix/early_init.c

@@ -76,6 +76,8 @@ void i82801ix_lpc_decode(void)
 	 * - 0x378-0x37f and 0x778-0x77f LPT
 	 * - 0x2f8-0x2ff COMB
 	 * - 0x3f8-0x3ff COMA
+	 * - 0x208-0x20f GAMEH
+	 * - 0x200-0x207 GAMEL
 	 */
 	pci_write_config16(d31f0, D31F0_LPC_IODEC, 0x0010);
 	pci_write_config16(d31f0, D31F0_LPC_EN, 0x3f0f);