staging: ks7010: move sdio specific register definitions into source file

This commit moves SDIO related register definitions from header
to source file. There is no need to have those into the header
because they are only being used in specific SDIO code.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>