bfin: fix printing of invalid flags argument of sram_alloc syscall

* sram_alloc.c (SYS_FUNC(sram_alloc)): Print 2nd argument using
printflags_long.
diff --git a/sram_alloc.c b/sram_alloc.c
index ec463a6..969e10e 100644
--- a/sram_alloc.c
+++ b/sram_alloc.c
@@ -11,7 +11,7 @@
 	/* size */
 	tprintf("%lu, ", tcp->u_arg[0]);
 	/* flags */
-	printflags(sram_alloc_flags, tcp->u_arg[1], "???_SRAM");
+	printflags_long(sram_alloc_flags, tcp->u_arg[1], "???_SRAM");
 
 	return RVAL_DECODED | RVAL_HEX;
 }