ppc/pnv/pci: Clean up error messages

The phb error macros add a newline for you, so remove the second one to
avoid double whitespace.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/pci-host/pnv_phb4.c

@@ -133,13 +133,13 @@ static void pnv_phb4_rc_config_write(PnvPHB4 *phb, unsigned off,
     PCIDevice *pdev;
 
     if (size != 4) {
-        phb_error(phb, "rc_config_write invalid size %d\n", size);
+        phb_error(phb, "rc_config_write invalid size %d", size);
         return;
     }
 
     pdev = pci_find_device(pci->bus, 0, 0);
     if (!pdev) {
-        phb_error(phb, "rc_config_write device not found\n");
+        phb_error(phb, "rc_config_write device not found");
         return;
     }
 
@@ -155,13 +155,13 @@ static uint64_t pnv_phb4_rc_config_read(PnvPHB4 *phb, unsigned off,
     uint64_t val;
 
     if (size != 4) {
-        phb_error(phb, "rc_config_read invalid size %d\n", size);
+        phb_error(phb, "rc_config_read invalid size %d", size);
         return ~0ull;
     }
 
     pdev = pci_find_device(pci->bus, 0, 0);
     if (!pdev) {
-        phb_error(phb, "rc_config_read device not found\n");
+        phb_error(phb, "rc_config_read device not found");
         return ~0ull;
     }
 
@@ -1039,19 +1039,19 @@ static void pnv_pec_stk_nest_xscom_write(void *opaque, hwaddr addr,
         if (phb->nest_regs[PEC_NEST_STK_BAR_EN] &
             (PEC_NEST_STK_BAR_EN_MMIO0 |
              PEC_NEST_STK_BAR_EN_MMIO1)) {
-            phb_pec_error(pec, "Changing enabled BAR unsupported\n");
+            phb_pec_error(pec, "Changing enabled BAR unsupported");
         }
         phb->nest_regs[reg] = val & 0xffffffffff000000ull;
         break;
     case PEC_NEST_STK_PHB_REGS_BAR:
         if (phb->nest_regs[PEC_NEST_STK_BAR_EN] & PEC_NEST_STK_BAR_EN_PHB) {
-            phb_pec_error(pec, "Changing enabled BAR unsupported\n");
+            phb_pec_error(pec, "Changing enabled BAR unsupported");
         }
         phb->nest_regs[reg] = val & 0xffffffffffc00000ull;
         break;
     case PEC_NEST_STK_INT_BAR:
         if (phb->nest_regs[PEC_NEST_STK_BAR_EN] & PEC_NEST_STK_BAR_EN_INT) {
-            phb_pec_error(pec, "Changing enabled BAR unsupported\n");
+            phb_pec_error(pec, "Changing enabled BAR unsupported");
         }
         phb->nest_regs[reg] = val & 0xfffffff000000000ull;
         break;