build: standardize usage of TARGET_PRODUCT for qcom chipsets.
build: standardize usage of TARGET_PRODUCT for qcom chipsets.

Replace TARGET_PRODUCT usage with TAREGT_BOARD_PLATFORM and make
functions provided by device/qcom/common/utils.mk to build conditionally
for qcom chipsets.

jsr-d9/android_kernel_lk,jbott/lk_gee,t2m-foxfone/android_kernel_lk,chirayudesai/android_bootable_bootloader_lk,Foxda-Tech/argo8-bootable-bootloader-lk,jbott/lk_gee,jsr-d10/android_bootable_bootloader_lk,mozilla-b2g/kernel_lk,Redmi-dev/android_bootable_lk,jsr-d10/android_bootable_bootloader_lk,mozilla-b2g/kernel_lk,lg-devs/g2-bootloader,Blefish/android_bootable_bootloader_lk,CanarySolutions/little-kernel,Redmi-dev/android_bootable_lk,t2m-foxfone/kernel_lk,pichina/lk,oubeichen/lk-v500,t2m-foxfone/kernel_lk,zhuotong/mi2_lk_NoEmmc,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/lktris,detule/lk-g2-spr,chirayudesai/android_bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk,oubeichen/lk-v500,Foxda-Tech/argo8-bootable-bootloader-lk,mozilla-b2g/fairphone2_kernel_lk,Blefish/android_bootable_bootloader_lk,hanjae/lumiab0,idor/dk50-bootable_bootloader_lk,M1cha/mi2_lk,idor/dk50-bootable_bootloader_lk,t2m-foxfone/android_kernel_lk,mozilla-b2g/kernel_lk,chirayudesai/android_bootable_bootloader_lk,thornbirdblue/codeaurora_lk,mozilla-b2g/fairphone2_kernel_lk,t2m-foxfone/android_kernel_lk,pichina/lk,idor/dk50-bootable_bootloader_lk,DooMLoRD/android_bootable_bootloader_lk,MiCode/mi2_lk,detule/lk-g2-spr,jsr-d10/android_bootable_bootloader_lk,MiCode/mi2_lk,efidroid/lk,pichina/lk,RonGokhale/android_lk_bootloader,Foxda-Tech/polaris-bootable-bootloader-lk,M1cha/android_bootable_bootloader_lk,M1cha/lktris,mozilla-b2g/fairphone2_kernel_lk,lg-devs/g2-bootloader,oubeichen/lk-v500,chirayudesai/android_bootable_bootloader_lk,mozilla-b2g/kernel_lk,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/android_bootable_bootloader_lk,CanarySolutions/little-kernel,M1cha/lktris,M1cha/mi2_lk,hanjae/lumiab0,pichina/lk,M1cha/mi2_lk,jsr-d9/android_kernel_lk,CanarySolutions/little-kernel,DooMLoRD/android_bootable_bootloader_lk,zhuotong/mi2_lk_NoEmmc,DooMLoRD/android_bootable_bootloader_lk,RonGokhale/android_lk_bootloader,hanjae/lumiab0,RonGokhale/android_lk_bootloader,jbott/lk_gee,jbott/lk_gee,detule/lk-g2-spr,jsr-d10/android_bootable_bootloader_lk,mozilla-b2g/fairphone2_kernel_lk,utilite2/lk,M1cha/lktris,idor/dk50-bootable_bootloader_lk,thornbirdblue/codeaurora_lk,zhuotong/mi2_lk_NoEmmc,jbott/lk_gee,hanjae/lumiab0,Foxda-Tech/argo8-bootable-bootloader-lk,DooMLoRD/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,mozilla-b2g/fairphone2_kernel_lk,M1cha/android_bootable_bootloader_lk,DooMLoRD/android_bootable_bootloader_lk,MiCode/mi2_lk,chirayudesai/android_bootable_bootloader_lk,utilite2/lk,t2m-foxfone/android_kernel_lk,M1cha/android_bootable_bootloader_lk,thornbirdblue/codeaurora_lk,M1cha/android_bootable_bootloader_lk,jsr-d9/android_kernel_lk,zhuotong/mi2_lk_NoEmmc,jsr-d9/android_kernel_lk,Foxda-Tech/polaris-bootable-bootloader-lk,Blefish/android_bootable_bootloader_lk,lg-devs/g2-bootloader,t2m-foxfone/kernel_lk,utilite2/lk,RonGokhale/android_lk_bootloader,detule/lk-g2-spr,efidroid/lk,M1cha/mi2_lk,MiCode/mi2_lk,thornbirdblue/codeaurora_lk,hanjae/lumiab0,Redmi-dev/android_bootable_lk,efidroid/lk,RonGokhale/android_lk_bootloader,utilite2/lk,jsr-d10/android_bootable_bootloader_lk,MiCode/mi2_lk,efidroid/lk,idor/dk50-bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,efidroid/lk,lg-devs/g2-bootloader,M1cha/android_bootable_bootloader_lk,thornbirdblue/codeaurora_lk,Foxda-Tech/polaris-bootable-bootloader-lk,Redmi-dev/android_bootable_lk,zhuotong/mi2_lk_NoEmmc,CanarySolutions/little-kernel,oubeichen/lk-v500,Redmi-dev/android_bootable_lk,oubeichen/lk-v500,Blefish/android_bootable_bootloader_lk,t2m-foxfone/kernel_lk,utilite2/lk,CanarySolutions/little-kernel,lg-devs/g2-bootloader,pichina/lk,detule/lk-g2-spr,M1cha/mi2_lk,mozilla-b2g/kernel_lk,jsr-d9/android_kernel_lk,t2m-foxfone/android_kernel_lk,t2m-foxfone/kernel_lk,M1cha/lktris