bna: make ethtool_ops and strings const

Status from this message: Applied.

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#	Subject and files	Size	Replies	Applied
1/2	bna: make ethtool_ops and strings const`drivers/net/ethernet/brocade/bna/bnad_ethtool.c`	+2 -2	2 replies
2/2	bna: fix sparse warnings/errors`drivers/net/ethernet/brocade/bna/bna_types.h` `drivers/net/ethernet/brocade/bna/bnad.c` `drivers/net/ethernet/brocade/bna/bnad.h` +1 more	+8 -7	1 reply

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