This patch adds a new compatible string for stmpe mfd to support
stmpe1600 variant.
Signed-off-by: NAmelie DELAUNAY <amelie.delaunay@st.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>