tests: Fix OCSP response for ap_wpa2_eap_ttls_ocsp_revoked

Due to a serial number mismatch, the correct "revoked" status was not
used; instead "unknown" was used. While the test case would not fail for
this, incorrect code path was checked.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

tests/hwsim/auth_serv/index-revoked.txt

@@ -4,5 +4,5 @@ V	140102000000Z		D8D3E3A6CBE3CCCA	unknown	/C=FI/O=w1.fi/CN=server4.w1.fi
 V	150215083008Z		D8D3E3A6CBE3CCCB	unknown	/C=FI/O=w1.fi/CN=server5.w1.fi
 V	150228224144Z		D8D3E3A6CBE3CCCC	unknown	/C=FI/O=w1.fi/CN=server6.w1.fi
 V	160111185024Z		D8D3E3A6CBE3CCCD	unknown	/C=FI/O=w1.fi/CN=ocsp.w1.fi
-R	150929211122Z	160111185024Z	D8D3E3A6CBE3CCD0	unknown	/C=FI/O=w1.fi/CN=server.w1.fi
+R	150929211122Z	160111185024Z	D8D3E3A6CBE3CCE2	unknown	/C=FI/O=w1.fi/CN=server.w1.fi
 R	150929211300Z	160111185024Z	D8D3E3A6CBE3CCD1	unknown	/C=FI/O=w1.fi/CN=Test User