conf:mx8mp:dual-espresso: Add overlay for at42qt1011 cap touch sensor

In the dual-espresso devicetree we enabled the new cap1293 cap. touch
sensor. To remain compatible for devices with the old at42qt1011 sensors,
a corresponding overlay is added that can be applied during installation.

BCS 746-001576

(cherry picked from commit 872b05d4)

conf/machine/seco-mx8mp.conf

@@ -47,4 +47,5 @@ KERNEL_DEVICETREE ?= " \
     seconorth/seconorth-trizeps8plus-pconxs_v3-atm0700.dtb \
     seconorth/seconorth-trizeps8plus_v1r3-hdmi-gpu.dtb \
     seconorth/seconorth-trizeps8plus_v1r3-pbb-fn1010t007b.dtb \
+    seconorth/dual-espresso-at42qt1011-overlay.dtbo \
 "