Add acc_device_radeon to name_of_acc_device_t function

libgomp/
	* oacc-init.c (name_of_acc_device_t): Handle acc_device_radeon.

Reviewed-by: Thomas Schwinge <thomas@codesourcery.com>

libgomp/ChangeLog

+2020-01-29  Frederik Harwath  <frederik@codesourcery.com>
+
+	* oacc-init.c (name_of_acc_device_t): Handle acc_device_radeon.
 
 2020-01-29  Frederik Harwath  <frederik@codesourcery.com>
 

libgomp/oacc-init.c

@@ -115,6 +115,7 @@ name_of_acc_device_t (enum acc_device_t type)
     case acc_device_host: return "host";
     case acc_device_not_host: return "not_host";
     case acc_device_nvidia: return "nvidia";
+    case acc_device_radeon: return "radeon";
     default: unknown_device_type_error (type);
     }
   __builtin_unreachable ();