dev: gcdb: Fix bug in passing of boot argument
dev: gcdb: Fix bug in passing of boot argument

Bug is in previous gerrit preventing the panel name
from being passed from the LK to the kernel.

Change-Id: Idbb0bd8daf0eb974863d7d97b2331d350dc6aa60

t2m-foxfone/android_kernel_lk,mozilla-b2g/fairphone2_kernel_lk,t2m-foxfone/android_kernel_lk,lg-devs/g2-bootloader,idor/dk50-bootable_bootloader_lk,mozilla-b2g/fairphone2_kernel_lk,t2m-foxfone/android_kernel_lk,lg-devs/g2-bootloader,lg-devs/g2-bootloader,idor/dk50-bootable_bootloader_lk,lg-devs/g2-bootloader,t2m-foxfone/android_kernel_lk,mozilla-b2g/fairphone2_kernel_lk,mozilla-b2g/fairphone2_kernel_lk,mozilla-b2g/fairphone2_kernel_lk,lg-devs/g2-bootloader,idor/dk50-bootable_bootloader_lk,idor/dk50-bootable_bootloader_lk,t2m-foxfone/android_kernel_lk,idor/dk50-bootable_bootloader_lk