ARM: at91/dt: sam9g20: set at91sam9g20 pllb driver
ARM: at91/dt: sam9g20: set at91sam9g20 pllb driver

The at91sam9g20 SOC uses its own pllb implementation which is different
from the one inherited from at91sam9260 SOC.

Signed-off-by: Gaël PORTAY <1666f60cfa201a60b0ea694168a0b6932673170a@gmail.com>
Acked-by: Boris Brezillon <4e91513d4f418754031d3d36b3fc73980c40a38c@free-electrons.com>
Signed-off-by: Nicolas Ferre <45b517be0e5ec6dc3a39715767c1d18e090d39b4@atmel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs