init: Silence messages and call ourselves "OPAL"

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

Author: ozbenh

core/init.c

@@ -808,8 +808,8 @@ void __noreturn __nomcount main_cpu_entry(const void *fdt)
 	/* Call library constructors */
 	do_ctors();
 
-	printf("SkiBoot %s starting...\n", version);
-	printf("initial console log level: memory %d, driver %d\n",
+	prlog(PR_NOTICE, "OPAL %s starting...\n", version);
+	prlog(PR_DEBUG, "initial console log level: memory %d, driver %d\n",
 	       (debug_descriptor.console_log_levels >> 4),
 	       (debug_descriptor.console_log_levels & 0x0f));
 	prlog(PR_TRACE, "You will not see this\n");