[MMC] sdhci: reset sdhci controller early
The specification states that the capabilities register might need a reset to get correct values after boot up. Signed-off-by: NPierre Ossman <drzeus@drzeus.cx> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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