Add support for S3C6400 SDHCI channels 0 and 1, making
the GPIO code common to both S3C6400 and S3C6410.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Fix the compilation of the SDHCI configuration/setup
functions to depend on their respective configuration
variables.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Select the correct GPIO configuration function for channel 1
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add device definition and support code for the Samsung
HSMMC channel 1 device.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add the necessary helper functions for setting up the SDHCI
device information.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>