Change in coreboot[master]: drivers/usb/acpi: Create function to get PLD information

[Maulik V Vaghela (Code Review)]

Attention is currently required from: Furquan Shaikh, Tim Wawrzynczak, John Zhao.
Maulik V Vaghela has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56024 )

Change subject: drivers/usb/acpi: Create function to get PLD information
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Patch Set 7:

(1 comment)

File src/drivers/usb/acpi/usb_acpi.c:

https://review.coreboot.org/c/coreboot/+/56024/comment/15526362_bd67c07e 
PS6, Line 129: 	struct acpi_pld pld;
             : 
             : 	if (!usb_device || !usb_device->chip_info ||
             : 		usb_device->chip_ops != &drivers_usb_acpi_ops)
             : 		return NULL;
             : 
             : 	if (config->use_custom_pld)
             : 		memcpy(&pld, &config->custom_pld, sizeof(pld));
             : 	else
             : 		acpi_pld_fill_usb(&pld, config->type, &config->group);
             : 
             : 	return &pld;
> Can I add structure pointer PLD to chip.h and then malloc memory to it and reuse it? […]

I have changed current function to have pld pointer as input from caller, so that we don't need to worry about keeping the context.
Please let me know if it's okay 😊