bnx2x: Initialization structure

The TPA initialization is part of the FW internal memory initialization
and so it is moved to the appropriate function

Signed-off-by: Yitchak Gertner <gertner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>