Decouple commands in checkpatch Makefile target

Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>

Makefile

@@ -158,9 +158,9 @@ checkcodebase:
 checkpatch:
 	$Qeval COMMON_COMMIT=$$(git merge-base HEAD origin/develop);	\
 	for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do		\
-		echo "[*] Analyzing commit '$$commit'" &&		\
+		echo "[*] Analyzing commit '$$commit'";			\
 		git format-patch --stdout "$$commit~..$$commit"		\
-			| ${CHECKPATCH} - || true;\
+			| ${CHECKPATCH} - || true;			\
 	done
 
 # Target for the project maintainer to easily create web manuals.