[][Refine FE ISR to detect NETSYS error events]

[Description]
Change Panther/Cheetah FE ISR judgement to detect the
FE Error events that might lead to NETSYS Tx/Rx hang.
	- EVENT_FQ_EMPTY
	- EVENT_TSO_FAIL
	- EVENT_TSO_ILLEGAL
	- EVENT_TSO_ALIGN
	- EVENT_RFIFO_OV
	- EVENT_RFIFO_UF

[Release-log]
N/A

Change-Id: I440b23ffe84714be974a480d17cf454c6a3d0c6c
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5884797
1 file changed