mmc: sdhci: return error when failed add_sdhci().

If failed the add_host(), it is reasonable that return value of
add_sdhci().

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

	Taken from 2014.01
Signed-off-by: Eli Nidam <elini@marvell.com>

Change-Id: I33dd74ce76231706f3f860df2b560eaa708c83a1
Reviewed-on: http://vgitil04.il.marvell.com:8080/5669
Reviewed-by: Eli Nidam <elini@marvell.com>
Tested-by: Eli Nidam <elini@marvell.com>
2 files changed