tree f69e39d1754356a0107cf2007ca1be3eed0a3703
parent bad8d82c5c28a2dcda255807ac0f617ba7ab7a97
author Lotus Xu <xuxiaohan@bytedance.com> 1603782031 +0800
committer Andrew Geissler <geissonator@yahoo.com> 1609432868 -0600

bytedance: g220a:read eeprom mac addr

read a byte at one time eg:
for the first byte
i2cset -y 1 0x50 0x00 0x00
i2cget -y 1 0x50

(From meta-bytedance rev: 6389a4f03a518e49241d13843cf005f4a85d7cc8)

Tested: Verify the eeprom mac addr can be read
	use `fw_printenv`,`ip a` can read device
	mac addr
Signed-off-by: Lotus Xu <xuxiaohan@bytedance.com>
Change-Id: I5fbf28e5bb3bb2ccc2a074388f4166e35da48afc
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>