Add mmc1 dt node to dra7-evm board.
Input for ldo1 regulator is controlled by gpio 5 of pcf8575 chip (0x21)
on i2c1 bus. When dt support for gpio-pcf857x is available, input supply
will be modelled as cascaded regulator.
Signed-off-by: NBalaji T K <balajitk@ti.com>
Acked-by: NSekhar Nori <nsekhar@ti.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>