ARM: at91: dt: enable usb ehci for sam9g45 and sam9x5

make the ECHI depends on ARCH_AT91

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: devicetree-discuss@lists.ozlabs.org

diff --cc arch/arm/boot/dts/at91sam9g25ek.dts
Simple merge

diff --cc arch/arm/boot/dts/at91sam9g45.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9m10g45ek.dts
Simple merge

diff --cc arch/arm/boot/dts/at91sam9x5.dtsi
Simple merge

diff --cc arch/arm/mach-at91/at91sam9g45.c
Simple merge

diff --cc arch/arm/mach-at91/at91sam9x5.c
Simple merge

diff --cc drivers/usb/Kconfig
Simple merge