disable two ld tests for frv

[Alan Modra]

Both these tests fails on frv-linux with
(.text+0x0): cannot emit fixups in read-only section

	* ld-gc/start.d: Exclude frv-*-linux*.
	* ld-misc/defsym1.d: Likewise.

Index: ld/testsuite/ld-gc/start.d
===================================================================
RCS file: /cvs/src/src/ld/testsuite/ld-gc/start.d,v
retrieving revision 1.3
diff -u -p -r1.3 start.d
--- ld/testsuite/ld-gc/start.d	8 Nov 2010 06:43:37 -0000	1.3
+++ ld/testsuite/ld-gc/start.d	10 Feb 2011 04:00:31 -0000
@@ -2,7 +2,7 @@
 #ld: --gc-sections -e _start
 #nm: -n
 #target: *-*-linux* *-*-gnu*
-#notarget: *-*-*aout *-*-*oldld
+#notarget: *-*-*aout *-*-*oldld frv-*-linux*
 
 #...
 [0-9a-f]+ A +__start__foo
Index: ld/testsuite/ld-misc/defsym1.d
===================================================================
RCS file: /cvs/src/src/ld/testsuite/ld-misc/defsym1.d,v
retrieving revision 1.2
diff -u -p -r1.2 defsym1.d
--- ld/testsuite/ld-misc/defsym1.d	8 Jan 2011 09:52:57 -0000	1.2
+++ ld/testsuite/ld-misc/defsym1.d	10 Feb 2011 04:00:31 -0000
@@ -1,6 +1,7 @@
 #ld: -e 0 --defsym foo=1 tmpdir/start.o tmpdir/libfoo.a
 #nm: -B
 #source: dummy.s
+#notarget: frv-*-linux*
 
 # Check that --defsym works on archive.
 #failif

-- 
Alan Modra
Australia Development Lab, IBM