app: aboot: Avoid calling fastboot publish for NAND
app: aboot: Avoid calling fastboot publish for NAND

Fastboot publish supports only ext partitions. Call
this only for targets with emmc storage.

Change-Id: I2f270fade745348404d0a86eda96a8fd56c4b6fb

Foxda-Tech/argo8-bootable-bootloader-lk,jbott/lk_gee,M1cha/lktris,CanarySolutions/little-kernel,jsr-d10/android_bootable_bootloader_lk,mozilla-b2g/fairphone2_kernel_lk,t2m-foxfone/android_kernel_lk,t2m-foxfone/android_kernel_lk,M1cha/android_bootable_bootloader_lk,t2m-foxfone/kernel_lk,jsr-d10/android_bootable_bootloader_lk,M1cha/android_bootable_bootloader_lk,CanarySolutions/little-kernel,jbott/lk_gee,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/android_bootable_bootloader_lk,lg-devs/g2-bootloader,mozilla-b2g/fairphone2_kernel_lk,efidroid/lk,mozilla-b2g/fairphone2_kernel_lk,mozilla-b2g/kernel_lk,lg-devs/g2-bootloader,lg-devs/g2-bootloader,Redmi-dev/android_bootable_lk,t2m-foxfone/kernel_lk,M1cha/android_bootable_bootloader_lk,efidroid/lk,idor/dk50-bootable_bootloader_lk,efidroid/lk,lg-devs/g2-bootloader,Foxda-Tech/polaris-bootable-bootloader-lk,jbott/lk_gee,Foxda-Tech/argo8-bootable-bootloader-lk,Foxda-Tech/argo8-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk,M1cha/lktris,jbott/lk_gee,idor/dk50-bootable_bootloader_lk,mozilla-b2g/fairphone2_kernel_lk,M1cha/android_bootable_bootloader_lk,jsr-d10/android_bootable_bootloader_lk,t2m-foxfone/kernel_lk,Redmi-dev/android_bootable_lk,detule/lk-g2-spr,M1cha/lktris,Redmi-dev/android_bootable_lk,jsr-d10/android_bootable_bootloader_lk,detule/lk-g2-spr,mozilla-b2g/kernel_lk,detule/lk-g2-spr,Foxda-Tech/polaris-bootable-bootloader-lk,detule/lk-g2-spr,jbott/lk_gee,t2m-foxfone/kernel_lk,M1cha/android_bootable_bootloader_lk,lg-devs/g2-bootloader,M1cha/lktris,jsr-d10/android_bootable_bootloader_lk,idor/dk50-bootable_bootloader_lk,t2m-foxfone/android_kernel_lk,Foxda-Tech/polaris-bootable-bootloader-lk,mozilla-b2g/kernel_lk,idor/dk50-bootable_bootloader_lk,t2m-foxfone/android_kernel_lk,mozilla-b2g/fairphone2_kernel_lk,CanarySolutions/little-kernel,t2m-foxfone/kernel_lk,Foxda-Tech/polaris-bootable-bootloader-lk,Redmi-dev/android_bootable_lk,mozilla-b2g/kernel_lk,efidroid/lk,t2m-foxfone/android_kernel_lk,Foxda-Tech/argo8-bootable-bootloader-lk,idor/dk50-bootable_bootloader_lk,CanarySolutions/little-kernel,mozilla-b2g/kernel_lk,detule/lk-g2-spr,efidroid/lk,CanarySolutions/little-kernel,M1cha/lktris,Redmi-dev/android_bootable_lk