ARM: at91: sam9g45: switch from atmel_tsadcc to at91_adc

atmel_tsadcc is not allowing to use the remaining ADC channels while at91_adc
does. Completely switch to at91_adc and remove the tsadcc platform_data for
at91sam9g45 and at91sam9g45 based boards.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --cc arch/arm/configs/at91sam9g45_defconfig
Simple merge

diff --cc arch/arm/mach-at91/at91sam9g45_devices.c
Simple merge

diff --cc arch/arm/mach-at91/board-sam9m10g45ek.c
Simple merge