tree 055a00b4de208c35151cb0da8634f4d2f8e71d01
parent ae79ff9e289c85498e656172e99d44b11d969109
author Lotus Xu <xuxiaohan@bytedance.com> 1603782031 +0800
committer John Wang <wangzhiqiang.bj@bytedance.com> 1608260514 +0800

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

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: I1c26914dbc4a056c8c0bad7ede887a316a188a9a