eglfs: Use drmClose in drm/EGLDevice backend

Pick-to: 6.0 5.15
Fixes: QTBUG-90350
Change-Id: I29a71e4abc2df7b777a895792bc5385a89223895
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevice.cpp

@@ -71,7 +71,7 @@ void QEglFSKmsEglDevice::close()
 {
     // Note: screens are gone at this stage.
 
-    if (qt_safe_close(fd()) == -1)
+    if (drmClose(fd()) == -1)
         qErrnoWarning("Could not close DRM (NV) device");
 
     setFd(-1);