sb/intel/i82801ix: Use SOUTHBRIDGE_INTEL_COMMON_PMCLIB

Use common code to detect ACPI S3.
Untested.

Change-Id: I618d4c25adb0d2b9bbd59a3b3b84beac78db1916
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32315
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/southbridge/intel/i82801ix/lpc.c

@@ -283,9 +283,6 @@ static void i82801ix_power_options(struct device *dev)
 				       will be constantly fired and OSPM must
 				       not know about it (ACPI spec says to
 				       ignore the bit). */
-	reg32 = inl(pmbase + 0x04); // PM1_CNT
-	reg32 &= ~(7 << 10);	// SLP_TYP
-	outl(reg32, pmbase + 0x04);
 
 	/* Set duty cycle for hardware throttling (defaults to 0x0: 50%). */
 	reg32 = inl(pmbase + 0x10);