PCI: ibmphp: Remove unneeded break

A break is not needed if it is preceded by a return.

Based on Tom Rix's treewide patch; this instance extracted from Joe
Perches' list.

Link: https://lore.kernel.org/r/20201017160928.12698-1-trix@redhat.com
Link: https://lore.kernel.org/r/f530b7aeecbbf9654b4540cfa20023a4c2a11889.camel@perches
.com
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tom Rix <trix@redhat.com>
Cc: Joe Perches <joe@perches.com>

drivers/pci/hotplug/ibmphp_pci.c

@@ -294,7 +294,6 @@ int ibmphp_configure_card(struct pci_func *func, u8 slotno)
 				default:
 					err("MAJOR PROBLEM!!!!, header type not supported? %x\n", hdr_type);
 					return -ENXIO;
-					break;
 			}	/* end of switch */
 		}	/* end of valid device */
 	}	/* end of for */
@@ -1509,7 +1508,6 @@ static int unconfigure_boot_card(struct slot *slot_cur)
 				default:
 					err("MAJOR PROBLEM!!!! Cannot read device's header\n");
 					return -1;
-					break;
 			}	/* end of switch */
 		}	/* end of valid device */
 	}	/* end of for */