usb: dwc2: add new compatible for Intel SoCFPGA Stratix10 platform

Intel Stratix10 is very the same with Agilex platform, the DWC2 IP on
the Stratix platform also does not support clock-gating. The commit
3d8d3504

("usb: dwc2: Add platform specific data for Intel's Agilex")
had fixed this issue. So, add the essential compatible to also use the
specific data on Stratix10 platform.

Signed-off-by: Meng Li <Meng.Li@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>