ARM: at91/defconfig: refresh at91sam9rl_defconfig
ARM: at91/defconfig: refresh at91sam9rl_defconfig

The defconfig for the at91sam9rl is quite old, refresh it:
 - now uses EABI instead of OABI
 - add devtmpfs support
 - add UBI/UBIfs support
 - remove a few config symbols that disappeared

Signed-off-by: Alexandre Belloni <a7228e626ecf0022ac91fc1cd8db88e71d0e5e0e@free-electrons.com>
Signed-off-by: Nicolas Ferre <45b517be0e5ec6dc3a39715767c1d18e090d39b4@atmel.com>

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