meta-quanta: gbs: add GBS Entity Association Map

Add entity association map for Google OEM
IPMI command (get entity name)

Tested:
For example, get entity name, "fan0":
~# ipmitool raw 0x2e 0x32 0x79 0x2b 0x00 0x06 0x1d 0x00
  79 2b 00 06 05 2f 66 61 6e 30

(From meta-quanta rev: 52ce287bfcb8c7a4cdeb07fcd80903af5a0dd26b)

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: I173da270c29745518293133597a5a389d17bf1ce
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>