ARM: sunxi: Enable simplefb in the defconfig

Now that we have simplefb support, we can enable it in our defconfig. Also
enable the framebuffer console, so that we are sure that we actually get
something displayed in any case.

And while we're at it, enable the module support.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/configs/sunxi_defconfig

@@ -2,6 +2,7 @@ CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_PERF_EVENTS=y
+CONFIG_MODULES=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=8
@@ -86,6 +87,10 @@ CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_REGULATOR_AXP20X=y
 CONFIG_REGULATOR_GPIO=y
+CONFIG_FB=y
+CONFIG_FB_SIMPLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_HCD_PLATFORM=y