[formatting] run everything through codestyle

Almost nothing changes here except moving braces to the same line as the
function declaration. Everything else is largely whitespace changes and
a few dangling files with tab indents.

See scripts/codestyle

app/lkboot/inet.c

@@ -52,8 +52,7 @@ static ssize_t tcp_readx(void *s, void *_data, size_t len) {
     return 0;
 }
 
-lkb_t *lkboot_tcp_opened(void *s)
-{
+lkb_t *lkboot_tcp_opened(void *s) {
     lkb_t *lkb;
 
     lkb = lkboot_create_lkb(s, tcp_readx, (void *)tcp_write);