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
diff --git a/meta-g220a/recipes-phosphor/images/obmc-phosphor-image.bbappend b/meta-g220a/recipes-phosphor/images/obmc-phosphor-image.bbappend
index 8b7bb9e..e38c272 100644
--- a/meta-g220a/recipes-phosphor/images/obmc-phosphor-image.bbappend
+++ b/meta-g220a/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -1,3 +1,4 @@
 OBMC_IMAGE_EXTRA_INSTALL_append_g220a = " webui-vue \
 					  me-time-sync \
+					  static-mac-addr \
 					"