tests/tcg: re-enable linux-test for ppc64abi32

Now we have fixed the signal delivary bug we can remove this horrible
hack from the system.

Cc: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: NAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>

tests/tcg/multiarch/Makefile.target

@@ -12,14 +12,6 @@ VPATH 		+= $(MULTIARCH_SRC)
 MULTIARCH_SRCS   =$(notdir $(wildcard $(MULTIARCH_SRC)/*.c))
 MULTIARCH_TESTS  =$(MULTIARCH_SRCS:.c=)
 
-# FIXME: ppc64abi32 linux-test seems to have issues but the other basic tests work
-ifeq ($(TARGET_NAME),ppc64abi32)
-BROKEN_TESTS = linux-test
-endif
-
-# Update TESTS
-TESTS		+= $(filter-out $(BROKEN_TESTS), $(MULTIARCH_TESTS))
-
 #
 # The following are any additional rules needed to build things
 #
@@ -39,3 +31,6 @@ run-test-mmap: test-mmap
 run-test-mmap-%: test-mmap
 	$(call run-test, test-mmap-$*, $(QEMU) -p $* $<,\
 		"$< ($* byte pages) on $(TARGET_NAME)")
+
+# Update TESTS
+TESTS += $(MULTIARCH_TESTS)