net: fec: fec_enet_rx_queue(): move_call to _vlan_hwaccel_put_tag()

net: fec: fec_enet_rx_queue(): move_call to _vlan_hwaccel_put_tag()

Move __vlan_hwaccel_put_tag() into the if statement that sets
vlan_packet_rcvd = true. This change eliminates the unnecessary
vlan_packet_rcvd variable, simplifying the code and improving clarity.

Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://patch.msgid.link/20250618-fec-cleanups-v4-10-c16f9a1af124@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>