rtc: Remove unused RTC_DEVICE_NAME_SIZE

The last usage was removed in 5c82a6ae0 when rtc_device.name
was removed

Signed-off-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Cole Robinson 2017-11-25 19:41:32 -05:00 • committed by Alexandre Belloni
commit 876d1b53c5