powerpc/pseries: Add BNX2=m to defconfig

Upcoming servers will include a Broadcom NIC, add to the defconfig to
increase testing coverage and make sure mainline builds come up with
networking.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/configs/pseries_defconfig

@@ -186,6 +186,7 @@ CONFIG_ACENIC_OMIT_TIGON_I=y
 CONFIG_E1000=y
 CONFIG_E1000E=y
 CONFIG_TIGON3=y
+CONFIG_BNX2=m
 CONFIG_CHELSIO_T1=m
 CONFIG_CHELSIO_T3=m
 CONFIG_EHEA=y