[POWERPC] prom_init whitespace cleanup, typo fix

Whitespace cleanup: badly indented lines.
Typo in comment.
Signed-off-by: NLinas Vepstas <linas@austin.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/kernel/prom_init.c

@@ -1199,7 +1199,7 @@ static void __init prom_initialize_tce_table(void)
 		if ((type[0] == 0) || (strstr(type, RELOC("pci")) == NULL))
 			continue;
 
-		/* Keep the old logic in tack to avoid regression. */
+		/* Keep the old logic intact to avoid regression. */
 		if (compatible[0] != 0) {
 			if ((strstr(compatible, RELOC("python")) == NULL) &&
 			    (strstr(compatible, RELOC("Speedwagon")) == NULL) &&