Kconfig: Update defaults with platform-specific component options

* Kconfig by default ignores platform-specific component options.
* This causes incorrect default builds.
* Set Kconfig defaults to match options in config_tfm_target.h

Change-Id: I672509c171c2b1fbdd4567825c8adce030822c33
Signed-off-by: Igor Silin <igor.silin@arm.com>
2 files changed