dmaengine: ti: k3-psil-am62: Fix SPI PDMA data

commit 24372b26924880b910204c0b481766c6349efd31 from
git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git



AM62x has 3 SPI channels where each channel has 4 TX and 4 RX threads.
This also fixes the thread numbers.

Signed-off-by: Ronald Wahl <ronald.wahl@raritan.com>
Fixes: 5ac6bfb5 ("dmaengine: ti: k3-psil: Add AM62x PSIL and PDMA data")
Reviewed-by: Jai Luthra <j-luthra@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Xulin Sun <xulin.sun@windriver.com>