[NXP] fix EL2GO commissioning issue (project-chip#39181)

Signed-off-by: Martin Girardot <[email protected]>

Author: Martin-NXP

src/platform/nxp/rt/rw61x/FactoryDataProviderEl2GoImpl.cpp

@@ -215,7 +215,6 @@ CHIP_ERROR FactoryDataProviderImpl::SignWithDacKey(const ByteSpan & digestToSign
     uint8_t hash[MCUXCLHASH_OUTPUT_SIZE_SHA_256]     = { 0 };
     mcuxClEls_KeyIndex_t key_index                   = MCUXCLELS_KEY_SLOTS;
     mcuxClEls_EccByte_t ecc_signature[MCUXCLELS_ECC_SIGNATURE_SIZE];
-    uint8_t digest[kSHA256_Hash_Length];
     uint16_t BlobSize  = 0;
     uint16_t KeyIdSize = 0;
     uint32_t Addr;
@@ -227,8 +226,7 @@ CHIP_ERROR FactoryDataProviderImpl::SignWithDacKey(const ByteSpan & digestToSign
         SearchForId(FactoryDataId::kEl2GoDacKeyId, (uint8_t *) &el2go_dac_key_id, sizeof(el2go_dac_key_id), KeyIdSize));
 
     /* Calculate message HASH to sign */
-    memset(&digest[0], 0, sizeof(digest));
-    res = Hash_SHA256(digestToSign.data(), digestToSign.size(), &digest[0]);
+    res = Hash_SHA256(digestToSign.data(), digestToSign.size(), &hash[0]);
     if (res != CHIP_NO_ERROR)
     {
         return res;