USB: DWC3: Correct DWC3_DSTS_SOFFN_MASK definition

SOF Number is bit16:3 of DSTS. Correct the mask accordingly.

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
1 file changed