Add kernel packages for DesignWare SPI core and MMIO controllers.
This is needed for the RP1 SoC found on RPi 5 devices.
Tested with a Microchip ENC28J60 Ethernet controller on a RPi 5.
Signed-off-by: Albrecht Lohofener <albrechtloh@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/19049
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit 82d20a0fbd)