[NFC][SYCL] Enable LIT for FPGA on Windows

Author: vladimirlaz

sycl/test/lit.cfg.py

@@ -180,7 +180,7 @@ def getDeviceCount(device_type):
 
 acc_run_substitute = "true"
 acc_check_substitute = ""
-if getDeviceCount("accelerator")[0] and platform.system() == "Linux":
+if getDeviceCount("accelerator")[0]:
     found_at_least_one_device = True
     lit_config.note("Found available accelerator device")
     acc_run_substitute = " env SYCL_DEVICE_TYPE=ACC "