cpu: Move reset logging to CPUState

x86 was using additional CPU_DUMP_* flags, so make that configurable in
CPUClass::reset_dump_flags.

This adds reset logging for alpha, unicore32 and xtensa.

Acked-by: Michael Walle <michael@walle.cc> (for lm32)
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 82a451b..e3f75a8 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2175,11 +2175,6 @@
     CPUX86State *env = &cpu->env;
     int i;
 
-    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
-        qemu_log("CPU Reset (CPU %d)\n", s->cpu_index);
-        log_cpu_state(s, CPU_DUMP_FPU | CPU_DUMP_CCOP);
-    }
-
     xcc->parent_reset(s);
 
 
@@ -2523,6 +2518,7 @@
 
     xcc->parent_reset = cc->reset;
     cc->reset = x86_cpu_reset;
+    cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
 
     cc->do_interrupt = x86_cpu_do_interrupt;
     cc->dump_state = x86_cpu_dump_state;