ARM: at91/dt: sam9263: define clocks

Define the at91sam9263 clocks in the SoC dtsi file.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
ARM: at91: move at91sam9263 SoC to the CCF

This patch removes the selection of AT91_USE_OLD_CLK when selecting
at91sam9263 SoC support. This will automatically enable COMMON_CLK_AT91
option and add support for at91 common clock implementation.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
ARM: at91/dt: sam9263ek: define crystals frequencies

Define at91sam9263ek main and slow crystals frequencies.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
ARM: at91/dt: tny_a9263: define crystals frequencies

Define Calao TNY-A9263 main and slow crystals frequencies.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
ARM: at91: usb_a9263: define crystals frequencies

Define Calao USB-A9263 main and slow crystals frequencies.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>