Add unimplemented-device blocks to the xilinx_zynq board
corresponding to various devices documented in the TRM
and in the device tree.
See: ug585-Zynq-7000-TRM manual B.3 (Module Summary)
Signed-off-by: Chao Liu <chao.liu@yeah.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: tweaked commit message. Removed the clearing of
the ignore_memory_transaction_failures flag]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>