mb/intel/jasperlake_rvp: Correct Kconfig options
1.Select CHROMEOS_EC related Kconfig for variant board with
external EC support.
2.Select proper CHROMEOS Kconfigs which are required for all
variants.
3.Disable Intel EC region in case of external EC.
BUG=None
BRANCH=None
TEST=Compilation is successful for both Jasper Lake RVP variants.
Change-Id: I290b3748777e18476651101de71df9080dd3105c
Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39584
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>