arm: at91: dts: Bring in device tree file for AT91SAM9G45

Add this file from Linux v4.5.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Tested-on: smartweb, corvus, taurus, axm
Tested-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a827613..602fab1 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -2,6 +2,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
+dtb-$(CONFIG_AT91FAMILY) += at91sam9g45-gurnard.dtb
 dtb-$(CONFIG_S5PC100) += s5pc1xx-smdkc100.dtb
 dtb-$(CONFIG_S5PC110) += s5pc1xx-goni.dtb
 dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \