ARM: at91/defconfig: add the HDMA controller to sama5_defconfig

Selection of the HDMAC option is now needed to allow some sama5 devices
to have the DMA driver compiled and available.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

arch/arm/configs/sama5_defconfig

@@ -183,6 +183,7 @@ CONFIG_LEDS_TRIGGER_GPIO=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AT91RM9200=y
 CONFIG_DMADEVICES=y
+CONFIG_AT_HDMAC=y
 CONFIG_AT_XDMAC=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_IIO=y