Update icc/Makefile

Co-authored-by: Simon McMahon <[email protected]>
Signed-off-by: Robin Dubey <[email protected]>

Author: robindubeyibm

icc/Makefile

@@ -594,7 +594,7 @@ privkey.rsa:
 	$(ICC_ROOT)/openssl-1.1.1/apps/openssl genrsa -out privkey.rsa 2048
 
 pubkey.h: privkey.rsa
-	../openssl-1.1.1/apps/openssl rsa -in privkey.rsa -outform DER -RSAPublicKey_out > rsa_pub_key.der
+	$(ICC_ROOT)/openssl-1.1.1/apps/openssl rsa -in privkey.rsa -outform DER -RSAPublicKey_out > rsa_pub_key.der
 	echo "/*This is an auto generated code please DO NOT modify*/" > pubkey.h
 	perl bin2hex.pl rsa_pub_key.der temp.h
 	cat temp.h >> pubkey.h