firmware: ti_sci_static_data: add static DMA chan data

Add range of DMA channels available for R5 SPL usage before DM firmware
is loaded.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
diff --git a/drivers/firmware/ti_sci_static_data.h b/drivers/firmware/ti_sci_static_data.h
index e6a3b66..8529ef2 100644
--- a/drivers/firmware/ti_sci_static_data.h
+++ b/drivers/firmware/ti_sci_static_data.h
@@ -118,6 +118,19 @@
 };
 #endif /* CONFIG_TARGET_J721S2_R5_EVM */
 
+#if IS_ENABLED(CONFIG_SOC_K3_AM625)
+static struct ti_sci_resource_static_data rm_static_data[] = {
+	/* BC channels */
+	{
+		.dev_id = 26,
+		.subtype = 32,
+		.range_start = 18,
+		.range_num = 2,
+	},
+	{ },
+};
+#endif /* CONFIG_SOC_K3_AM625 */
+
 #else
 static struct ti_sci_resource_static_data rm_static_data[] = {
 	{ },