gs_usb: Use BitTiming internally to configure bitrate (#1748)

* gs_usb: Use BitTiming to configure bitrate.

* use kwargs and format black

---------

Co-authored-by: Tuwuh S Wibowo <tuwuh.wibowo@formulatrix.com>
Co-authored-by: zariiii9003 <52598363+zariiii9003@users.noreply.github.com>

can/interfaces/gs_usb.py

@@ -54,7 +54,19 @@ def __init__(
         self.channel_info = channel
         self._can_protocol = can.CanProtocol.CAN_20
 
-        self.gs_usb.set_bitrate(bitrate)
+        bit_timing = can.BitTiming.from_sample_point(
+            f_clock=self.gs_usb.device_capability.fclk_can,
+            bitrate=bitrate,
+            sample_point=87.5,
+        )
+        props_seg = 1
+        self.gs_usb.set_timing(
+            prop_seg=props_seg,
+            phase_seg1=bit_timing.tseg1 - props_seg,
+            phase_seg2=bit_timing.tseg2,
+            sjw=bit_timing.sjw,
+            brp=bit_timing.brp,
+        )
         self.gs_usb.start()
 
         super().__init__(