board.c patch got undone

It looks like in the last wave of changes, a patch got undone:

wing % cvs diff -r1.35 board.c
Index: board.c
===================================================================
RCS file: /cvsroot/u-boot/u-boot/lib_ppc/board.c,v retrieving revision 1.35
retrieving revision 1.36
diff -r1.35 -r1.36
877c877
< #if CONFIG_SERIAL_SOFTWARE_FIFO
---

The "#if CONFIG_SERIAL_SOFTWARE_FIFO" is the right version, if one assumes the documentation is correct that setting CONFIG_SERIAL_SOFTWARE_FIFO=0 causes the serial port to become insensitive to CTS.

Perhaps it would be even better to change it to:

#if defined(CONFIG_SERIAL_SOFTWARE_FIFO) && CONFIG_SOFTWARE_FIFO>0
...
#endif

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