[PATCH] bsp/pc386: Fix --console=/--printk argument parsing.

[Chris Johns]

On 30/03/2016 10:33 PM, Joel Sherrill wrote:
> What was broken? It worked fine in my testing.

I need --console=com1,115200 and it did not parse. There was a couple of 
problems, ie option not comma when testing the baudrate, and so while 
fixing them I removed the need to copy the string and edit it.

Chris