board: samsung: add support for Galaxy A series of 2017 (a5y17lte)

Samsung Galaxy A3, A5, A7 (2017) - middle class Samsung smartphones.
U-boot can be used as chain-loaded bootloader to gain control
on booting vanilla linux(and possibly others) kernels

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index fdf85da..cc34da7 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -28,6 +28,9 @@
 	exynos5800-peach-pi.dtb \
 	exynos5422-odroidxu3.dtb
 dtb-$(CONFIG_EXYNOS7420) += exynos7420-espresso7420.dtb
+dtb-$(CONFIG_TARGET_A5Y17LTE) += exynos78x0-axy17lte.dtb
+dtb-$(CONFIG_TARGET_A3Y17LTE) += exynos78x0-axy17lte.dtb
+dtb-$(CONFIG_TARGET_A7Y17LTE) += exynos78x0-axy17lte.dtb
 
 dtb-$(CONFIG_ARCH_APPLE) += \
 	t8103-j274.dtb \