powerpc/86xx: Add use of Epson RTX-8581 RTC to GE Fanuc SBC610 dts

Adding use of newly added Epson RTX-8581 real-time clock driver to GE
Fanuc SBC610's dts file and adding driver to default config.

Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2 files changed