PCI: aardvark: Fix big endian support
Initialise every multiple-byte field of emulated PCI bridge config space with proper cpu_to_le* macro. This is required since the structure describing config space of emulated bridge assumes little-endian convention. Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>