Since PLATFORM_AT32AP is an AVR32 platform which was removed, the
rtc driver rtc-at32ap700x is useless.
This patch remove it.
Signed-off-by: NCorentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: NHans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>