ARM: at91: at91sam9x5: add DT parameters to enable PMECC

Default ecc correctable setting is 2bits in 512 bytes.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91: at91sam9n12: add DT parameters to enable PMECC

Default ecc correctable setting is 2bits in 512 bytes.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>