Revert "arm64/dts: support multi ch dts"

This reverts commit 2efcddca.

Revert this change due to it will cause Wifi calling cannot work normally.

Bug: 197189571
Test: WFC work normally
Signed-off-by: Mars Lin <marslin@google.com>
Change-Id: Icf44bf9e78e3938207ea54faa496581c7002ed49