add a sparc fs regression

src/dev/sparc/iob.cc:
    don't warn on cpu restart/idle/halt stuff
tests/SConscript:
    add sparc target in test Sconscript
util/regress:
    Add SPARC_FS target in regress

--HG--
extra : convert_revision : 37fa21700ec4c350d87ca9723bc3359feb81c50a

tests/SConscript

@@ -203,6 +203,9 @@ if env['FULL_SYSTEM']:
                         'tsunami-simple-atomic-dual',
                         'tsunami-simple-timing-dual',
 			'twosys-tsunami-simple-atomic']
+    if env['TARGET_ISA'] == 'sparc':
+        configs += ['t1000-simple-atomic',
+                    't1000-simple-timing']
 
 else:
     configs += ['simple-atomic', 'simple-timing', 'o3-timing', 'memtest']