This patch adds the correct compatible string for use during Device Tree
population. Without it the DB8500 PRCMU will not be probed.
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>