soc/intel/{bdw,skl,apl,cnl,icl,jsl,tgl,elh}: switch to s0ix Kconfig

Switch from using the devicetree option `s0ix_enable` to using the new
s0ix Kconfig `LOW_POWER_IDLE_STATES`.

Change-Id: Ib594ce6da1dda4b548d2ceeec55ded59922d8eba
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
---
M src/soc/intel/apollolake/Kconfig
M src/soc/intel/apollolake/acpi.c
M src/soc/intel/apollolake/chip.c
M src/soc/intel/broadwell/acpi.c
M src/soc/intel/cannonlake/Kconfig
M src/soc/intel/cannonlake/acpi.c
M src/soc/intel/cannonlake/finalize.c
M src/soc/intel/cannonlake/fsp_params.c
M src/soc/intel/common/block/acpi/acpi.c
M src/soc/intel/common/block/include/intelblocks/acpi.h
M src/soc/intel/elkhartlake/Kconfig
M src/soc/intel/elkhartlake/acpi.c
M src/soc/intel/elkhartlake/finalize.c
M src/soc/intel/icelake/Kconfig
M src/soc/intel/icelake/acpi.c
M src/soc/intel/icelake/finalize.c
M src/soc/intel/icelake/fsp_params.c
M src/soc/intel/jasperlake/Kconfig
M src/soc/intel/jasperlake/acpi.c
M src/soc/intel/jasperlake/finalize.c
M src/soc/intel/skylake/Kconfig
M src/soc/intel/skylake/acpi.c
M src/soc/intel/skylake/chip.c
M src/soc/intel/skylake/fadt.c
M src/soc/intel/skylake/finalize.c
M src/soc/intel/tigerlake/Kconfig
M src/soc/intel/tigerlake/acpi.c
M src/soc/intel/tigerlake/finalize.c
28 files changed, 57 insertions(+), 50 deletions(-)