Change in coreboot[master]: src/acpi/acpigen_usb.c: Fix False Memory leak error

[vaibhav (Code Review)]

Attention is currently required from: Felix Singer, Nico Huber, Tim Wawrzynczak, Paul Menzel, Angel Pons.
vaibhav has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62968 )

Change subject: src/acpi/acpigen_usb.c: Fix False Memory leak error
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Patch Set 2:

(1 comment)

File src/acpi/acpigen_usb.c:

https://review.coreboot.org/c/coreboot/+/62968/comment/0ceefa09_126adb5d 
PS2, Line 92: #ifdef __clang_analyzer__
            : 	free(fresh);
            : 	#endif
> I think scan-build is just stupid. […]

If i am able to understand correctly, you are proposing to edit the function defintion of `acpi_dp_add_reference()`
If so, to achieve this we would need to add an extra parameter `path` (so that strdup() may be called inside it) in addition to `free`ing the leak inside the definition ?