ACPI: APD: fix a block comment align issue

Fix the following coding style issue reported by checkpatch.pl:

WARNING: Block comments should align the * on each line
+/**
+* Create platform device during acpi scan attach handle.

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>