Reorganized Makefile into better top-down structure. Also removed a generic "LD" target that wasn't actually used.
Reorganized Makefile into better top-down structure.
Also removed a generic "LD" target that wasn't actually used.

Signed-off-by: Jon Loeliger <2c20cf3f4bac0d9467d3fe2c932e4d1e1bc1f44c@jdl.com>

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