bpf: test: fix spelling mistake "REUSEEPORT" -> "REUSEPORT"

Trivial fix to spelling mistake in error message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/bpf/test_maps.c

@@ -1191,7 +1191,7 @@ static void prepare_reuseport_grp(int type, int map_fd,
 
 		err = setsockopt(fd64, SOL_SOCKET, SO_REUSEPORT,
 				 &optval, sizeof(optval));
-		CHECK(err == -1, "setsockopt(SO_REUSEEPORT)",
+		CHECK(err == -1, "setsockopt(SO_REUSEPORT)",
 		      "err:%d errno:%d\n", err, errno);
 
 		/* reuseport_array does not allow unbound sk */