ARM: dts: msm: use correct sensor device tree for msm8926 QRD

 wrong sensor device tree file was included
 in board device tree file. Correct sensor
 device tree file is included in "msm8226-qrd.dtsi"

Change-Id: I8aeeddf19d3e76d105abba0670d64a2f5ee89198
Signed-off-by: Georgi Hristov <ghristov@codeaurora.org>