[ACCTON][AS9947-72XKB] Modify to access transceiver attr by ipmi

1. Remove the transceiver attr of pcie accessing in fpga driver
2. Add sfp driver for ipmi accessing transceiver attr
3. Add sfp ko in init.py
4. Modify the transceiver attr sysfs path

Signed-off-by: Willy Liu <willy@accton.com>

Author: Willy Liu

packages/platforms/accton/x86-64/as9947-72xkb/modules/builds/src/Makefile

@@ -6,4 +6,5 @@ obj-m += x86-64-accton-as9947-72xkb-thermal.o
 obj-m += x86-64-accton-as9947-72xkb-psu.o
 obj-m += x86-64-accton-as9947-72xkb-sys.o
 obj-m += x86-64-accton-as9947-72xkb-leds.o
+obj-m += x86-64-accton-as9947-72xkb-sfp.o