ci: enable USE_ROMLIB in Juno build config

Modified existing Juno build config to set USE_ROMLIB=1,
helping reduce image size for memory-constrained builds.

Change-Id: I1d01ca2ba4e3f8e69bd59d030bb566ace673c396
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/group/tf-l2-build-juno/juno-tzmp-mbedtls-ecdsa-opteed:nil b/group/tf-l2-build-juno/juno-tzmp-mbedtls-ecdsa-opteed-romlib:nil
similarity index 100%
rename from group/tf-l2-build-juno/juno-tzmp-mbedtls-ecdsa-opteed:nil
rename to group/tf-l2-build-juno/juno-tzmp-mbedtls-ecdsa-opteed-romlib:nil
diff --git a/tf_config/juno-tzmp-mbedtls-ecdsa-opteed b/tf_config/juno-tzmp-mbedtls-ecdsa-opteed-romlib
similarity index 95%
rename from tf_config/juno-tzmp-mbedtls-ecdsa-opteed
rename to tf_config/juno-tzmp-mbedtls-ecdsa-opteed-romlib
index ae2040c..765d632 100644
--- a/tf_config/juno-tzmp-mbedtls-ecdsa-opteed
+++ b/tf_config/juno-tzmp-mbedtls-ecdsa-opteed-romlib
@@ -10,3 +10,4 @@
 SPD=opteed
 TF_MBEDTLS_KEY_ALG=rsa+ecdsa
 TRUSTED_BOARD_BOOT=1
+USE_ROMLIB=1