bnx2x: Remove support for emulation/FPGA

Remove unneeded support for emulation/FPGA from the code

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>