Adjusted size for ML_DSA build

Author: danielinux

tools/test.mk

@@ -1021,5 +1021,5 @@ test-size-all:
 		LIMIT=8232 NO_ARM_ASM=1
 	make keysclean
 	make clean
-	make test-size SIGN=ML_DSA ML_DSA_LEVEL=2 LIMIT=18868 \
+	make test-size SIGN=ML_DSA ML_DSA_LEVEL=2 LIMIT=20148 \
 		 IMAGE_SIGNATURE_SIZE=2420 IMAGE_HEADER_SIZE?=8192