spi: cadence-qspi: Add compatible for TI AM654

TI's AM654 SoC has a Cadence OSPI IP. Add a new compatible string for
the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index 6374d39..f8b6940 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -340,6 +340,7 @@
 
 static const struct udevice_id cadence_spi_ids[] = {
 	{ .compatible = "cdns,qspi-nor" },
+	{ .compatible = "ti,am654-ospi" },
 	{ }
 };