ARM: at91/dt: sama5d3xek: remove the useless NFC dt parameters

The NFC driver code doesn't use atmel,has-nfc and atmel,use-nfc-sram.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
ARM: at91/dt: sama5d3xek: Enable NFC support in dts

Signed-off-by: Josh Wu <josh.wu@atmel.com>
ARM: at91/dt: sama5d3xek: reduce the ROM code mapping for pmecc lookup table

Signed-off-by: Josh Wu <josh.wu@atmel.com>