at91: add SAMA5D3 subtarget

Add a subtarget for Atmel's SAMA5D3 Cortex-A5 based SoCs.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 42417

target/linux/at91/sama5d3/config-default

@@ -0,0 +1,12 @@
+CONFIG_SOC_SAMA5=y
+# CONFIG_SOC_SAM_V4_V5 is not set
+CONFIG_SOC_SAM_V7=y
+CONFIG_SOC_SAMA5D3=y
+CONFIG_MACH_SAMA5_DT=y
+# CONFIG_ARM_LPAE is not set
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_SWP_EMULATE is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+# CONFIG_THUMB2_KERNEL is not set
+# CONFIG_XEN is not set

target/linux/at91/sama5d3/target.mk

@@ -0,0 +1,7 @@
+BOARDNAME:=SAMA5D3 (Cortex-A5)
+CPU_TYPE:=cortex-a5
+
+define Target/Description
+	Build generic firmware for SAMA5D3 AT91 platforms
+	using the ARMv7 instruction set.
+endef