Add MODULE_FIRMWARE() for FIRMWARE_TG357766.

Add MODULE_FIRMWARE() for FIRMWARE_TG357766.

[ Upstream commit 046f753da6143ee16452966915087ec8b0de3c70 ]

Fixes a bug where on the M1 mac mini initramfs-tools fails to
include the necessary firmware into the initrd.

Fixes: c4dab50697ff ("tg3: Download 57766 EEE service patch firmware")
Signed-off-by: Tobias Heider <me@tobhe.de>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/ZJt7LKzjdz8+dClx@tobhe.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>