Merge branch 'net-airoha-add-ppe-support-for-rx-wlan-offload'

Lorenzo Bianconi says:

====================
net: airoha: Add PPE support for RX wlan offload

Introduce the missing bits to airoha ppe driver to offload traffic received
by the MT76 driver (wireless NIC) and forwarded by the Packet Processor
Engine (PPE) to the ethernet interface.

v2: https://lore.kernel.org/20250822-airoha-en7581-wlan-rx-offload-v2-0-8a76e1d3fec2@kernel.org
v1: https://lore.kernel.org/20250819-airoha-en7581-wlan-rx-offload-v1-0-71a097e0e2a1@kernel.org
====================

Link: https://patch.msgid.link/20250823-airoha-en7581-wlan-rx-offload-v3-0-f78600ec3ed8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>