bnx2x: Change comments and white spaces

A semantic patch, fixing style issues in the bnx2x's link code.
Signed-off-by: NYaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: NYuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: NEilon Greenstein <eilong@broadcom>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>