drivers/usb/hub/acpi.c: Don't use heap for ACPI name
Using malloc would increase the heap use each time this function is
called. Instead allocate a per struct device buffer inside the
chip_info struct.
Found by coverity scan, CID
1488815.
Change-Id: Ie24870b34338624b3bf3a6f420debdd24a68ffbd
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64338
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>