target: Add weak api to check if target is edp
target: Add weak api to check if target is edp

Adding a weak api to target init file to
default edp flag to false.

Change-Id: I009c5043a5f096a6868ef5fa1b0e9f500de708f0

t2m-foxfone/kernel_lk,Redmi-dev/android_bootable_lk,Redmi-dev/android_bootable_lk,t2m-foxfone/kernel_lk,Redmi-dev/android_bootable_lk,t2m-foxfone/kernel_lk,mozilla-b2g/kernel_lk,Redmi-dev/android_bootable_lk,Redmi-dev/android_bootable_lk,mozilla-b2g/kernel_lk,mozilla-b2g/kernel_lk,mozilla-b2g/kernel_lk,t2m-foxfone/kernel_lk,mozilla-b2g/kernel_lk,t2m-foxfone/kernel_lk