[devices]: modified and fixed delta ag9064 modules (sonic-net#28)

2. enable build ag9064

Signed-off-by: neal tai <[email protected]>

Author: hans-tseng

platform/broadcom/sonic-platform-modules-delta/ag9064/modules/Makefile

@@ -2,5 +2,4 @@ obj-m += delta_ag9064_platform.o
 obj-m += delta_ag9064_cpld.o
 obj-m += delta_ag9064_swpld.o
 obj-m += i2c-mei.o
-i2c-mei-objs := i2c-mei_io.o i2c-mei_main.o i2c-mei_rw.o
-
+i2c-mei-objs := i2c-mei_io.o i2c-mei_main.o i2c-mei_rw.o