dev: gcdb: Initialize the flag to indicate use of panel enable gpio
dev: gcdb: Initialize the flag to indicate use of panel enable gpio

Initialize the panel info structure flag that is used to indicate
that the panel enable gpio needs to be configured for the
corresponding panel. This is needed to selectively support panels
that use the enable gpio on a particular platform.

Change-Id: Iec46dac5baac263bf07190d5613d49ffef7a33e9

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