pci: pcie_cdns_ti: Add PCIe support for J722S SoC

TI's J722S SoC has one instance of PCIe namely PCIe0 which is a Gen3
single lane PCIe controller. Add support for the "ti,j722s-pcie-host"
compatible specific to J722S SoC.

Based on:
https://lore.kernel.org/all/20240524092349.158443-1-s-vadapalli@ti.com/

Signed-off-by: George McCollister <george.mccollister@konsulko.com>
Tested-by: Bryan Brattlof <bb@ti.com>

drivers/pci/pcie_cdns_ti.c

@@ -855,6 +855,11 @@ static const struct pcie_cdns_ti_data am64_pcie_rc_data = {
 	.max_lanes = 1,
 };
 
+static const struct pcie_cdns_ti_data j722s_pcie_rc_data = {
+	.mode = PCIE_MODE_RC,
+	.max_lanes = 1,
+};
+
 static const struct udevice_id pcie_cdns_ti_ids[] = {
 	{
 		.compatible = "ti,j7200-pcie-host",
@@ -864,6 +869,10 @@ static const struct udevice_id pcie_cdns_ti_ids[] = {
 		.compatible = "ti,am64-pcie-host",
 		.data = (ulong)&am64_pcie_rc_data,
 	},
+	{
+		.compatible = "ti,j722s-pcie-host",
+		.data = (ulong)&j722s_pcie_rc_data,
+	},
 	{},
 };