mmc: slot-gpio: Split out CD IRQ request into a separate function
mmc: slot-gpio: Split out CD IRQ request into a separate function

In preparation for adding a descriptor-based CD GPIO API, split out
CD IRQ request into a separate function.

Signed-off-by: Adrian Hunter <41bb5944f244750b7cf0394140496972a3f1bee3@intel.com>
Signed-off-by: Chris Ball <711c73f64afdce07b7e38039a96d2224209e9a6c@printf.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs