sdm: drm: Add support for default non-atomic mode

Add support for booting up with default non-atomic mode
Add libdrmutils that currently has:
DRMMaster:
    Creates a master DRM session
    Converts ION handles to DRM FB_ID
DRMResMgr:
    Enables a default display path by providing APIs for
    connector id, crtc id, mode etc

Change-Id: I1dc697d2cc5e3fa744c99e2c9ddd57bf06e78c4f
CRs-fixed: 1114808
diff --git a/libqdutils/qd_utils.h b/libqdutils/qd_utils.h
index 7b3ae40..f3b0c04 100644
--- a/libqdutils/qd_utils.h
+++ b/libqdutils/qd_utils.h
@@ -69,6 +69,7 @@
     DRM,
 };
 DriverType getDriverType();
+const char *GetHALPixelFormatString(int format);
 
 }; //namespace qdutils
 #endif