Add pseudo devices

include/sys/chr.h

@@ -2,7 +2,6 @@
 #include "sys/types.h"
 
 struct chrdev {
-    char name[64];
     void *dev_data;
 
     // TODO: maybe something like flush()

include/sys/dev.h

@@ -13,6 +13,7 @@ enum dev_class {
 #define DEV_BLOCK_HDx       2
 #define DEV_BLOCK_RAM       3
 #define DEV_BLOCK_PART      127
+#define DEV_BLOCK_PSEUDO    128
 
 struct dev_entry {
     char dev_name[64];