mci: esdhc: add back PIO_TIMEOUT
This got lost during bd1bf53b34c
(mci: imx-esdhc: factor out common sdhci registers). Seems the PIO
option isn't too heavily used.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 0d18871 commit 557b403d8510af8d6538d1d4cb77a5f575fc36f3
@Lucas Stach Lucas Stach authored on 24 Nov 2014
Sascha Hauer committed on 24 Nov 2014
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drivers/mci/imx-esdhc.h