hv: remove CONFIG_LOG_DESTINATION

The CONFIG_LOG_DESTINATION parameter selects where the logging messages
send to，serial console or memory or npk device MMIO region.

Now we want to remove it and check the loglevel of each channel,close the
output when the loglevel is ZERO.

Tracked-On: #6934
Signed-off-by: Chenli Wei <chenli.wei@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>

hypervisor/arch/x86/init.c

@@ -38,7 +38,7 @@ static void init_debug_pre(void)
 	console_init();
 
 	/* Enable logging */
-	init_logmsg(CONFIG_LOG_DESTINATION);
+	init_logmsg();
 }
 
 /*TODO: move into debug module */