target-ppc: Support VSX in PPC User Mode

Some modern tool chains use VSX instructions.  Therefore attempt to enable the VSX MSR
bit by default, just like similar bits (FP, VEC, SPE, etc.).
Signed-off-by: NTom Musta <tommusta@gmail.com>
Signed-off-by: NAlexander Graf <agraf@suse.de>

target-ppc/translate_init.c

@@ -9313,6 +9313,7 @@ static void ppc_cpu_reset(CPUState *s)
 #if defined(CONFIG_USER_ONLY)
     msr |= (target_ulong)1 << MSR_FP; /* Allow floating point usage */
     msr |= (target_ulong)1 << MSR_VR; /* Allow altivec usage */
+    msr |= (target_ulong)1 << MSR_VSX; /* Allow VSX usage */
     msr |= (target_ulong)1 << MSR_SPE; /* Allow SPE usage */
     msr |= (target_ulong)1 << MSR_PR;
 #if !defined(TARGET_WORDS_BIGENDIAN)