drivers/firmware/google/vpd.c: duplicate sysfs file

[Randy Dunlap]

sysfs: cannot create duplicate filename '/devices/platform/vpd'

on the second load of this driver.  I.e.,

modprobe vpd-sysfs
rmmod vpd-sysfs
modprobe vpd-sysfs
[boom]


on 4.14-rc8

-- 
~Randy