[][kernel][common][eth][Add AMDA TX/RX ring index to the dbg_regs command]

[Description]
Add AMDA TX/RX ring index to the dbg_regs command.

Without this patch, users are unable to retrieve the values of
all ADMA CPU/DMA TX/RX indexes using the dbg_regs command.

[Release-log]
N/A


Change-Id: I4c3b1f1e6ce0faedc936ae52a0348d57522c4667
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8669288
2 files changed