console: add vga.hh include

isa-serial.hh don't need to include vga.hh, but it's required on
console.cc, so move it.

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

drivers/console.cc

@@ -15,6 +15,7 @@
 #include <sys/ioctl.h>
 
 #include "isa-serial.hh"
+#include "vga.hh"
 #include "debug-console.hh"
 #include "drivers/clock.hh"
 #include <termios.h>

drivers/isa-serial.hh

@@ -9,7 +9,6 @@
 #define DRIVERS_ISA_SERIAL_HH
 
 #include "console.hh"
-#include "vga.hh"
 #include "drivers/pci.hh"
 #include "sched.hh"
 #include "interrupt.hh"