Re-organize the SoC family/series/model configuration data so that:
* Board definitions can distinguish between the single-core (XC7ZxxxS)
and dual-core (XC7Zxxx) ARM Cortex-A9 models. Further descriptions
of on-chip resources, in particular relating to the programmable logic
capabilities if support of this functionality is to be implemented,
can be added at a later time.
* Separate SoC initialization code exists for the two series, so that
the init code of the XC7Zxxx series can consider SMP while the init
code of the single-core XC7ZxxxS series doesn't have to.
* Device drivers which don't have to distinguish between the single-
and double-core series of the SoC family can use a common configuration
item whenever the pre-processor is used to enable Zynq-7000-specific
code.
Signed-off-by: Immo Birnbaum <Immo.Birnbaum@Weidmueller.com>