ARM: config: u8500: Add some common hardware

This activates display drivers that give console on the
different U8500 mobile phones, the GNSS subsystem and the
SIRF GNSS driver so we can manage the GPS chips, the regulator
LEDs as used in some phones and one more IIO light sensor driver.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>