ARM/dts: omap5-panda: add USB EHCI

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>
Hack! 64b masks for USB with LPAE

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>
ARM: OMAP5: Select USB EHCI

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>
Savedefconfig for USB

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>