mb/system76/adl,rpl: Add timeouts for PCIe 3.0 RPs

The FSP may fail to detect PCIe 4.0 devices in PCIe 3.0 slots on S3
resume. This issue has only been experienced on lemp12, and only with
Samsung drives, but implies it could happen on other systems or with
other drives as well.

Tested on lemp12 with Samsung 980 PRO and 990 PRO drives.

Change-Id: Ieacab03f6cb0943ed2a589e9bb7669d3d8fd45ae
Signed-off-by: Tim Crawford <tcrawford@system76.com>

src/mainboard/system76/adl/variants/darp8/overridetree.cb

@@ -154,6 +154,7 @@ chip soc/intel/alderlake
 				.clk_src = 4,
 				.clk_req = 4,
 				.flags = PCIE_RP_LTR,
+				.pcie_rp_detect_timeout_ms = 50,
 			}"
 			# FIXME: Drives do not exit D3cold on S3 exit
 			#chip soc/intel/common/block/pcie/rtd3

src/mainboard/system76/adl/variants/gaze17-3050/overridetree.cb

@@ -102,6 +102,7 @@ chip soc/intel/alderlake
 				.clk_src = 1,
 				.clk_req = 1,
 				.flags = PCIE_RP_LTR,
+				.pcie_rp_detect_timeout_ms = 50,
 			}"
 		end
 		device ref pcie_rp9 on

src/mainboard/system76/adl/variants/gaze17-3060-b/overridetree.cb

@@ -134,6 +134,7 @@ chip soc/intel/alderlake
 				.clk_src = 1,
 				.clk_req = 1,
 				.flags = PCIE_RP_LTR,
+				.pcie_rp_detect_timeout_ms = 50,
 			}"
 		end
 		device ref gbe on end

src/mainboard/system76/adl/variants/lemp11/overridetree.cb

@@ -138,6 +138,7 @@ chip soc/intel/alderlake
 				.clk_src = 1,
 				.clk_req = 1,
 				.flags = PCIE_RP_LTR,
+				.pcie_rp_detect_timeout_ms = 50,
 			}"
 			# FIXME: Drives do not exit D3cold on S3 exit
 			#chip soc/intel/common/block/pcie/rtd3

src/mainboard/system76/rpl/variants/gaze18/overridetree.cb

@@ -63,6 +63,7 @@ chip soc/intel/alderlake
 				.clk_src = 1,
 				.clk_req = 1,
 				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+				.pcie_rp_detect_timeout_ms = 50,
 			}"
 		end
 		device ref pcie_rp9 on

src/mainboard/system76/rpl/variants/lemp12/overridetree.cb

@@ -79,6 +79,7 @@ chip soc/intel/alderlake
 				.clk_src = 1,
 				.clk_req = 1,
 				.flags = PCIE_RP_LTR,
+				.pcie_rp_detect_timeout_ms = 50,
 			}"
 		end
 	end