board: pm9263: Update to support DT and DM

Update the configuration files to support the device tree and driver
model. The peripheral clock and pins configuration are handled by
the clock and the pinctrl drivers respectively.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 6f7db82..c2dc240 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -386,6 +386,8 @@
 
 dtb-$(CONFIG_TARGET_AT91SAM9261EK) += at91sam9261ek.dtb
 
+dtb-$(CONFIG_TARGET_PM9263) += at91sam9263ek.dtb
+
 dtb-$(CONFIG_TARGET_AT91SAM9263EK) += at91sam9263ek.dtb
 
 dtb-$(CONFIG_TARGET_AT91SAM9RLEK) += at91sam9rlek.dtb