This patch changes the Rockchip SPI and I2C drivers to use the new
buffer_from_fifo32()/buffer_to_fifo32_prefix() helpers when accessing
their FIFOs (mostly just to demonstrate that/how the helpers work).
Change-Id: Ifcf37c6d56f949f620c347df05439b05c3b8d77d
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34817
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>