When the cell data_size is 0, the resulting platform_data pointer will be
set to ZERO_SIZE_PTR. That could be misleading for device drivers running
a NULL check on thei platform_data pointer before dereferencing it.
Signed-off-by: NBrian Harring <ferringb@gmail.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>