Enable MMC_SDHCI_OF_AT91 and MICROCHIP_PIT64B. These are necessary
for SAM9X60.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1579085987-13976-5-git-send-email-claudiu.beznea@microchip.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>