fix(checkpatch): do not check merge commits

Add the --no-merges option when listing patches to check with rev-list
command, when running make checkpatch.

Change-Id: I47f3f5dfe358ed2b960a754f70aec0dc3c2b4536
Signed-off-by: Yann Gautier <yann.gautier@st.com>
1 file changed