This probe function is too complicated and should be refactored. For now
let's just set this variable to NULL and keep the static analysis tools
happy.

Fixes: 52e013d0 ("phy: qcom-qmp: Add support for DP in USB3+DP combo phy")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20201026205942.2861828-1-swboyd@chromium.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>