arm64: dts: qcom: sc8180x: Drop unrelated clocks from PCIe hosts

The TBU clock belongs to the Translation Buffer Unit, part of the SMMU.
The ref clock is already being driven upstream through some of the
branches.

Signed-off-by: Konrad Dybcio <[email protected]>
Link: https://lore.kernel.org/r/20250521-topic-8150_pcie_drop_clocks-v1-3-3d42e84f6453@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <[email protected]>

Author: quic-kdybcio

arch/arm64/boot/dts/qcom/sc8180x.dtsi

@@ -1750,17 +1750,13 @@
 				 <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
 				 <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
-				 <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>,
-				 <&gcc GCC_PCIE_0_CLKREF_CLK>,
-				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+				 <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>;
 			clock-names = "pipe",
 				      "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
-				      "slave_q2a",
-				      "ref",
-				      "tbu";
+				      "slave_q2a";
 
 			assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
@@ -1873,17 +1869,13 @@
 				 <&gcc GCC_PCIE_3_CFG_AHB_CLK>,
 				 <&gcc GCC_PCIE_3_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_3_SLV_AXI_CLK>,
-				 <&gcc GCC_PCIE_3_SLV_Q2A_AXI_CLK>,
-				 <&gcc GCC_PCIE_3_CLKREF_CLK>,
-				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+				 <&gcc GCC_PCIE_3_SLV_Q2A_AXI_CLK>;
 			clock-names = "pipe",
 				      "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
-				      "slave_q2a",
-				      "ref",
-				      "tbu";
+				      "slave_q2a";
 
 			assigned-clocks = <&gcc GCC_PCIE_3_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
@@ -1997,17 +1989,13 @@
 				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
 				 <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
-				 <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
-				 <&gcc GCC_PCIE_1_CLKREF_CLK>,
-				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+				 <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>;
 			clock-names = "pipe",
 				      "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
-				      "slave_q2a",
-				      "ref",
-				      "tbu";
+				      "slave_q2a";
 
 			assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
@@ -2121,17 +2109,13 @@
 				 <&gcc GCC_PCIE_2_CFG_AHB_CLK>,
 				 <&gcc GCC_PCIE_2_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_2_SLV_AXI_CLK>,
-				 <&gcc GCC_PCIE_2_SLV_Q2A_AXI_CLK>,
-				 <&gcc GCC_PCIE_2_CLKREF_CLK>,
-				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+				 <&gcc GCC_PCIE_2_SLV_Q2A_AXI_CLK>;
 			clock-names = "pipe",
 				      "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
-				      "slave_q2a",
-				      "ref",
-				      "tbu";
+				      "slave_q2a";
 
 			assigned-clocks = <&gcc GCC_PCIE_2_AUX_CLK>;
 			assigned-clock-rates = <19200000>;