mfd: Clean-up ab8500 register file

This adds a previously undefined test register and removed a
number of double-defined accessory detect registers (they are
already defined higher up in the file.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
1 file changed