soc/intel: implement ACPI timer disabling per SoC and drop common code

Since it's just a one-liner, implement disabling of the ACPI timer in
soc code. This reduces complexity.

Change-Id: I434ea87d00f6e919983d9229f79d4adb352fbf27
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58020
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/soc/intel/jasperlake/Kconfig

@@ -34,7 +34,6 @@ config CPU_SPECIFIC_OPTIONS
 	select PLATFORM_USES_FSP2_2
 	select PM_ACPI_TIMER_OPTIONAL
 	select PMC_GLOBAL_RESET_ENABLE_LOCK
-	select PMC_LOW_POWER_MODE_PROGRAM
 	select SOC_INTEL_COMMON
 	select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
 	select SOC_INTEL_COMMON_BLOCK