Replaced invalid trace buffer with a valid one

Replaced the invalid trace buffer "FW_REQ" with valid trace buffer
RUNTIME_COMP_NAME in a collectTrace call.

Change-Id: I9e75efd1cda4a86781f4075d774df8dcbc00cb8b
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/81317
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Matthew Raybuck <matthew.raybuck@ibm.com>
Reviewed-by: Christian R Geddes <crgeddes@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

src/usr/util/runtime/rt_fwnotify.C

@@ -766,7 +766,7 @@ void firmware_notify( uint64_t i_len, void *i_data )
                            0, 0, false );
         }
 
-        l_err->collectTrace( "FW_REQ", 256);
+        l_err->collectTrace(RUNTIME_COMP_NAME, 256);
     }
 
     if (l_err)