PCI: dwc: Simplify the return value of PTM debugfs functions returning bool

Replace redundant ternary conditional expressions with direct boolean
returns in PTM debugfs functions. Specifically change this pattern:

    return (condition) ? true : false;

to the simpler:

    return condition;

Signed-off-by: Hans Zhang <18255117159@163.com>
[mani: subject rewording]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Link: https://patch.msgid.link/20250612161226.950937-1-18255117159@163.com

Author: Hans Zhang

drivers/pci/controller/dwc/pcie-designware-debugfs.c

@@ -814,14 +814,14 @@ static bool dw_pcie_ptm_context_update_visible(void *drvdata)
 {
 	struct dw_pcie *pci = drvdata;
 
-	return (pci->mode == DW_PCIE_EP_TYPE) ? true : false;
+	return pci->mode == DW_PCIE_EP_TYPE;
 }
 
 static bool dw_pcie_ptm_context_valid_visible(void *drvdata)
 {
 	struct dw_pcie *pci = drvdata;
 
-	return (pci->mode == DW_PCIE_RC_TYPE) ? true : false;
+	return pci->mode == DW_PCIE_RC_TYPE;
 }
 
 static bool dw_pcie_ptm_local_clock_visible(void *drvdata)
@@ -834,35 +834,35 @@ static bool dw_pcie_ptm_master_clock_visible(void *drvdata)
 {
 	struct dw_pcie *pci = drvdata;
 
-	return (pci->mode == DW_PCIE_EP_TYPE) ? true : false;
+	return pci->mode == DW_PCIE_EP_TYPE;
 }
 
 static bool dw_pcie_ptm_t1_visible(void *drvdata)
 {
 	struct dw_pcie *pci = drvdata;
 
-	return (pci->mode == DW_PCIE_EP_TYPE) ? true : false;
+	return pci->mode == DW_PCIE_EP_TYPE;
 }
 
 static bool dw_pcie_ptm_t2_visible(void *drvdata)
 {
 	struct dw_pcie *pci = drvdata;
 
-	return (pci->mode == DW_PCIE_RC_TYPE) ? true : false;
+	return pci->mode == DW_PCIE_RC_TYPE;
 }
 
 static bool dw_pcie_ptm_t3_visible(void *drvdata)
 {
 	struct dw_pcie *pci = drvdata;
 
-	return (pci->mode == DW_PCIE_RC_TYPE) ? true : false;
+	return pci->mode == DW_PCIE_RC_TYPE;
 }
 
 static bool dw_pcie_ptm_t4_visible(void *drvdata)
 {
 	struct dw_pcie *pci = drvdata;
 
-	return (pci->mode == DW_PCIE_EP_TYPE) ? true : false;
+	return pci->mode == DW_PCIE_EP_TYPE;
 }
 
 const struct pcie_ptm_ops dw_pcie_ptm_ops = {