be2net: fix a sparse warning in be_cmd_modify_eqd()

This patch fixes a sparse warning about missing static declaration that was
introduced by the following commit:

fixes: 93676703 ("be2net: send a max of 8 EQs to be_cmd_modify_eqd() on Lancer")

Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>