of/sparc: convert various prom_* functions to use phandle

Rather than passing around ints everywhere, use the
phandle type where appropriate for the various functions
that talk to the PROM.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

arch/sparc/prom/init_64.c

@@ -19,7 +19,7 @@ char prom_version[80];
 
 /* The root node of the prom device tree. */
 int prom_stdin, prom_stdout;
-int prom_chosen_node;
+phandle prom_chosen_node;
 
 /* You must call prom_init() before you attempt to use any of the
  * routines in the prom library.  It returns 0 on success, 1 on
@@ -30,7 +30,7 @@ extern void prom_cif_init(void *, void *);
 
 void __init prom_init(void *cif_handler, void *cif_stack)
 {
-	int node;
+	phandle node;
 
 	prom_cif_init(cif_handler, cif_stack);