at91: sama5d3: enable USB2 by default

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46173 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/at91/sama5d3/target.mk

 BOARDNAME:=SAMA5D3 (Cortex-A5)
 CPU_TYPE:=cortex-a5
 
+DEFAULT_PACKAGES += kmod-usb2
+
 define Target/Description
 	Build generic firmware for SAMA5D3 AT91 platforms
 	using the ARMv7 instruction set.