[committed] [rs6000] Fix typo in gcc.target/pr91903.c dg-require stanza

[will schmidt via Gcc-patches]

[PATCH, rs6000] Fix typo in gcc.target/pr91903.c dg-require stanza

Hi,
  I somehow messed up when I tested this change..  Committed as obvious, also 
had pre-approval blessing per offline discussion.

    
Fix obvious typo in testcases dg-require stanza.
    
2021-01-29  Will Schmidt <will_schm...@vnet.ibm.como>
    
testsuite/ChangeLog:
        * gcc.target/powerpc/pr91903.c: Fix dg-require stanza.

diff --git a/gcc/testsuite/gcc.target/powerpc/pr91903.c 
b/gcc/testsuite/gcc.target/powerpc/pr91903.c
index efd217e..3045d07 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr91903.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr91903.c
@@ -1,5 +1,5 @@
 /* { dg-do compile */
-/* { dg-require-effective-target p8vector_ok } */
+/* { dg-require-effective-target powerpc_p8vector_ok } */
 /* { dg-options "-mdejagnu-cpu=power8" } */
 
 #include <stdlib.h>