Enable the ehci and ohci drivers in the multi_v7_defconfig so that
the USB controllers on stih41x work by default.
Signed-off-by: NPeter Griffin <peter.griffin@linaro.org>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NMaxime Coquelin <maxime.coquelin@st.com>