Remove bios none

Author: lupyuen

nuttx.exp

@@ -12,7 +12,6 @@ spawn qemu-system-riscv64 \
   -semihosting \
   -M virt,aclint=on \
   -cpu rv64 \
-  -bios none \
   -kernel nuttx \
   -nographic
 
@@ -61,4 +60,4 @@ expect {
     puts "\n===== Error: Test Failed\n"
     exit 1 
   }
-}
+}