devicetree: wm8880.dtsi: some cosmetic changes for later reference

Signed-off-by: Helmut Stengele <lautriv@coldplug.net>
devicetree: vt8500: correct range for sdmmc device

wm8880.dtsi got 3 entries for sdmmc with cellsize
0x1000 which would make the first overlap all others
(and so forth) correct size is 1k (0x400) which is
applied here.

Signed-off-by: Helmut Stengele <lautriv@coldplug.net>
sdmmc: vt8500: correct mapping and registration

wmt_sdmmc is using of_iomap() which doesn't proper
register a platform-device and tries to free
that region twice by calling iounmap() and
release_mem_region() leading to an error about
nonexistent resource on error or unload.
This patch replaces of_iomap() by devm_ioremap_resource
which does not only some additional checks but gives
us a proper entry in /proc/iomem and releases the
resource automagically as soon as the parent vanishes.

Signed-off-by: Helmut Stengele <lautriv@coldplug.net>
devicetree: wm8880: temporarly disable sdmmc 1&2 since we
have no driver ready.

Signed-off-by: Helmut Stengele <lautriv@coldplug.net>