target-sh4: don't disable FPU instructions in user mode

Based on a patch from Lionel Landwerlin.
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6015 c046a42c-6fe2-441c-8c8c-71466251a162

target-sh4/translate.c

@@ -185,7 +185,7 @@ void cpu_dump_state(CPUState * env, FILE * f,
 static void cpu_sh4_reset(CPUSH4State * env)
 {
 #if defined(CONFIG_USER_ONLY)
-    env->sr = SR_FD;            /* FD - kernel does lazy fpu context switch */
+    env->sr = 0;
 #else
     env->sr = 0x700000F0;	/* MD, RB, BL, I3-I0 */
 #endif