disp: msm: dsi: avoid TE-based panel status check in Trusted-vm

Add check to avoid the dsi panel status check with TE
method as the GPIO support is not available in Trusted-vm.

Change-Id: I5ad6e7b77b189b5150302ab34767dfc4d97aaf61
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>