drm_hwcomposer: Correct spelling of matrix

s/SetColorMarixToIdentity/SetColorMatrixToIdentity

Change-Id: I760e45e6c1ee2e77da2730fe57b5d70c3d75cbd6
Signed-off-by: Sasha McIntosh <sashamcintosh@google.com>
diff --git a/hwc2_device/HwcDisplay.h b/hwc2_device/HwcDisplay.h
index 7f2d400..fc7ceb7 100644
--- a/hwc2_device/HwcDisplay.h
+++ b/hwc2_device/HwcDisplay.h
@@ -244,7 +244,7 @@
   Stats prev_stats_;
   std::string DumpDelta(HwcDisplay::Stats delta);
 
-  void SetColorMarixToIdentity();
+  void SetColorMatrixToIdentity();
 
   HWC2::Error Init();