oid: fix comment in #endif

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/library/oid.c b/library/oid.c
index 6296f56..e532bf3 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -459,7 +459,7 @@
         MBEDTLS_MD_SHA512,   MBEDTLS_PK_ECDSA,
     },
 #endif /* MBEDTLS_HAS_ALG_SHA_512_VIA_LOWLEVEL_OR_PSA */
-#endif /* MBEDTLS_ECDSA_C */
+#endif /* MBEDTLS_PK_CAN_ECDSA_SOME */
 #if defined(MBEDTLS_RSA_C)
     {
         OID_DESCRIPTOR(MBEDTLS_OID_RSASSA_PSS,        "RSASSA-PSS",           "RSASSA-PSS"),