fix new arm and aarch64 gas test failures

[Alan Modra]

aarch64-pe  +FAIL: gas/aarch64/fix-adj
arm-pe  +FAIL: MVE vmlas instructions
arm-wince-pe  +FAIL: MVE vmlas instructions

These new tests use ELF directives.

	* testsuite/gas/aarch64/fix-adj.d: Only run on ELF targets.
	* testsuite/gas/arm/mve-vmlas.d: Likewise.

diff --git a/gas/testsuite/gas/aarch64/fix-adj.d b/gas/testsuite/gas/aarch64/fix-adj.d
index 306651adbcc..9844bab810a 100644
--- a/gas/testsuite/gas/aarch64/fix-adj.d
+++ b/gas/testsuite/gas/aarch64/fix-adj.d
@@ -1,5 +1,5 @@
 #objdump: -r
-#notarget: *-*-*coff
+#target: [is_elf_format]
 # Relocations to functions should point to the symbol, not the section.
 
 .*: +file format .*
diff --git a/gas/testsuite/gas/arm/mve-vmlas.d b/gas/testsuite/gas/arm/mve-vmlas.d
index df374da80d5..ee20cd6d569 100644
--- a/gas/testsuite/gas/arm/mve-vmlas.d
+++ b/gas/testsuite/gas/arm/mve-vmlas.d
@@ -1,6 +1,7 @@
 # name: MVE vmlas instructions
 # as: -march=armv8.1-m.main+mve.fp
 # objdump: -dr --prefix-addresses --show-raw-insn -marmv8.1-m.main
+# target: [is_elf_format]
 
 .*: +file format .*arm.*
 

-- 
Alan Modra