Revert previous change to sys/conf/options & associated notes so builds can

resume while I investigate what I had missed.

sys/conf/NOTES

@@ -1812,6 +1812,11 @@ hint.fdc.0.port="0x3F0"
 hint.fdc.0.irq="6"
 hint.fdc.0.drq="2"
 #
+# FDC_DEBUG enables floppy debugging.  Since the debug output is huge, you
+# gotta turn it actually on by setting the variable fd_debug with DDB,
+# however.
+options 	FDC_DEBUG
+#
 # Activate this line if you happen to have an Insight floppy tape.
 # Probing them proved to be dangerous for people with floppy disks only,
 # so it's "hidden" behind a flag:

sys/conf/options

@@ -691,6 +691,7 @@ INIT_PATH
 
 ROOTDEVNAME
 
+FDC_DEBUG 		opt_fdc.h
 PCFCLOCK_VERBOSE	opt_pcfclock.h
 PCFCLOCK_MAX_RETRIES	opt_pcfclock.h
 

sys/sparc64/conf/NOTES

@@ -128,6 +128,7 @@ nodevice	ex
 #####################################################################
 # Options we don't want to deal with
 
+nooption	FDC_DEBUG
 nooption	COMPAT_FREEBSD4
 nooption	SC_RENDER_DEBUG
 nooption	SC_DEBUG_LEVEL