elf: Limits 2 GNU_PROPERTY_1_NEEDED tests to Linux/x86

Run property-1_needed-1b.d and property-1_needed-1c.d, which pass
-z [no]indirect-extern-access to linker, only run for Linux/x86 targets.

	* testsuite/ld-elf/property-1_needed-1b.d: Only run for
	Linux/x86 targets.
	* testsuite/ld-elf/property-1_needed-1c.d: Likewise.
diff --git a/ld/testsuite/ld-elf/property-1_needed-1b.d b/ld/testsuite/ld-elf/property-1_needed-1b.d
index b7a9eea..08ccf2d 100644
--- a/ld/testsuite/ld-elf/property-1_needed-1b.d
+++ b/ld/testsuite/ld-elf/property-1_needed-1b.d
@@ -2,11 +2,7 @@
 #as:
 #ld: -shared -z indirect-extern-access
 #readelf: -n
-#xfail: ![check_shared_lib_support]
-#notarget: am33_2.0-*-* hppa*-*-hpux* mn10300-*-*
-# Assembly source file for the HPPA assembler is renamed and modifed by
-# sed.  mn10300 has relocations in .note.gnu.property section which
-# elf_parse_notes doesn't support.
+#target: x86_64-*-linux* i?86-*-linux-gnu i?86-*-gnu*
 
 #...
 Displaying notes found in: .note.gnu.property
diff --git a/ld/testsuite/ld-elf/property-1_needed-1c.d b/ld/testsuite/ld-elf/property-1_needed-1c.d
index 21e1d26..98ca89f 100644
--- a/ld/testsuite/ld-elf/property-1_needed-1c.d
+++ b/ld/testsuite/ld-elf/property-1_needed-1c.d
@@ -3,11 +3,7 @@
 #as:
 #ld: -shared -z noindirect-extern-access
 #readelf: -n
-#xfail: ![check_shared_lib_support]
-#notarget: am33_2.0-*-* hppa*-*-hpux* mn10300-*-*
-# Assembly source file for the HPPA assembler is renamed and modifed by
-# sed.  mn10300 has relocations in .note.gnu.property section which
-# elf_parse_notes doesn't support.
+#target: x86_64-*-linux* i?86-*-linux-gnu i?86-*-gnu*
 
 #...
 Displaying notes found in: .note.gnu.property