target: 8916: Fix no panel and simulated panel feature
target: 8916: Fix no panel and simulated panel feature

For target 8916 string comparison fails for no panel and
simulated panel in fastboot param. Fix this by removing
any extra whitespace in the panel name received as
fastboot argument.

Change-Id: I0ed55af9b7678181483526940cdfc47036cfa2aa

Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,CanarySolutions/little-kernel,Foxda-Tech/polaris-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,CanarySolutions/little-kernel,Foxda-Tech/polaris-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk,efidroid/lk,efidroid/lk,efidroid/lk,efidroid/lk,efidroid/lk,CanarySolutions/little-kernel