Move RAMLOG driver to drivers/syslog; Add ability to output debug information to any character device or file

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4996 42af7a65-404d-4744-a932-0658087f49c3

arch/sh/src/common/up_initialize.c

@@ -153,6 +153,9 @@ void up_initialize(void)
 
   /* Initialize the system logging device */
 
+#ifdef CONFIG_SYSLOG_CHAR
+  syslog_initialize();
+#endif
 #ifdef CONFIG_RAMLOG_SYSLOG
   ramlog_sysloginit();
 #endif

arch/sh/src/common/up_internal.h

@@ -88,6 +88,7 @@
 /* Determine which device to use as the system logging device */
 
 #ifndef CONFIG_SYSLOG
+#  undef CONFIG_SYSLOG_CHAR
 #  undef CONFIG_RAMLOG_SYSLOG
 #endif