device property: Add test cases for fwnode_property_count_*() APIs

Add test cases for fwnode_property_count_*() APIs.

While at it, modify the arrays of integers to be size of non-power-of-2
for better test coverage and decreasing stack usage.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210212162539.86850-1-andriy.shevchenko@linux.intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>