fold-vec-ld-char.c: Add lxv insn to expected output.

fold-vec-ld-char.c: Add lxv insn to expected output.

[testsuite]

2017-11-29  Will Schmidt  <will_schmidt@vnet.ibm.com>

    * gcc.target/powerpc/fold-vec-ld-char.c: Add lxv insn to expected output.
    * gcc.target/powerpc/fold-vec-ld-double.c: Add lxv insn to expected output.
    * gcc.target/powerpc/fold-vec-ld-float.c: Add lxv insn to expected output.
    * gcc.target/powerpc/fold-vec-ld-int.c: Add lxv insn to expected output.
    * gcc.target/powerpc/fold-vec-ld-longlong.c: Add lxv insn to expected output.
    * gcc.target/powerpc/fold-vec-ld-short.c: Add lxv insn to expected output.

From-SVN: r255252