spi/rockchip: call wait_for_idle() for the transfer to complete
spi/rockchip: call wait_for_idle() for the transfer to complete

Suggested-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@kernel.org>
Signed-off-by: Addy Ke <81a9605123faf4846bcfd543cbde5fac4c7f55b9@rockchip.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs