K 10 svn:author V 3 imp K 8 svn:date V 27 2010-04-13T21:32:06.434419Z K 7 svn:log V 256 Only compile in uart_cpu_$MACHINE.c if it exists. I'm not sure how useful it will be, but we really need to be keying off something other than MACHINE for this anyway since on arm and mips we have lots of these running around (one for each SoC family)... END