[msm] clean out bootloader out before recompiling
[msm] clean out bootloader out before recompiling

make does not pick up the LK project for rebuilding unless appsboot.mbn
is missing.  Clean up stale objects to force recompile.

Foxda-Tech/polaris-bootable-bootloader-lk,MiCode/mi2_lk,M1cha/mi2_lk,CanarySolutions/little-kernel,RonGokhale/android_lk_bootloader,my4ndr0id/android_bootable_bootloader_lk,Redmi-dev/android_bootable_lk,idor/dk50-bootable_bootloader_lk,hanjae/lumiab0,chirayudesai/android_bootable_bootloader_lk,jsr-d10/android_bootable_bootloader_lk,M1cha/android_bootable_bootloader_lk,jbott/lk_gee,M1cha/lktris,jcsullins/moboot,utilite2/lk,beidl/lk_umia,mozilla-b2g/kernel_lk,jsr-d9/android_kernel_lk,MiCode/mi2_lk,t2m-foxfone/android_kernel_lk,efidroid/lk,mozilla-b2g/kernel_lk,xndcn/moboot-for-veer,jbott/lk_gee,my4ndr0id/android_bootable_bootloader_lk,M1cha/android_bootable_bootloader_lk,t2m-foxfone/android_kernel_lk,jsr-d9/android_kernel_lk,hanjae/lumiab0,lg-devs/g2-bootloader,Foxda-Tech/polaris-bootable-bootloader-lk,Blefish/android_bootable_bootloader_lk,detule/lk-g2-spr,jcsullins/moboot,MiCode/mi2_lk,thornbirdblue/codeaurora_lk,zhuotong/mi2_lk_NoEmmc,t2m-foxfone/android_kernel_lk,detule/lk-g2-spr,mozilla-b2g/fairphone2_kernel_lk,RonGokhale/android_lk_bootloader,xndcn/moboot-for-veer,t2m-foxfone/android_kernel_lk,zhuotong/mi2_lk_NoEmmc,zhuotong/mi2_lk_NoEmmc,zhuotong/mi2_lk_NoEmmc,M1cha/android_bootable_bootloader_lk,my4ndr0id/android_bootable_bootloader_lk,CanarySolutions/little-kernel,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/android_bootable_bootloader_lk,pichina/lk,beidl/lk_umia,DooMLoRD/android_bootable_bootloader_lk,RonGokhale/android_lk_bootloader,pichina/lk,mozilla-b2g/fairphone2_kernel_lk,MiCode/mi2_lk,DooMLoRD/android_bootable_bootloader_lk,Foxda-Tech/argo8-bootable-bootloader-lk,lg-devs/g2-bootloader,MiCode/mi2_lk,CanarySolutions/little-kernel,M1cha/android_bootable_bootloader_lk,DooMLoRD/android_bootable_bootloader_lk,oubeichen/lk-v500,jcsullins/moboot,DooMLoRD/android_bootable_bootloader_lk,t2m-foxfone/kernel_lk,xndcn/moboot-for-veer,lg-devs/g2-bootloader,Foxda-Tech/polaris-bootable-bootloader-lk,hanjae/lumiab0,chirayudesai/android_bootable_bootloader_lk,beidl/lk_umia,t2m-foxfone/kernel_lk,efidroid/lk,Foxda-Tech/argo8-bootable-bootloader-lk,t2m-foxfone/kernel_lk,utilite2/lk,hanjae/lumiab0,pichina/lk,chirayudesai/android_bootable_bootloader_lk,jsr-d10/android_bootable_bootloader_lk,utilite2/lk,RonGokhale/android_lk_bootloader,CanarySolutions/little-kernel,M1cha/lktris,Foxda-Tech/polaris-bootable-bootloader-lk,chirayudesai/android_bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk,jcsullins/moboot,zhuotong/mi2_lk_NoEmmc,oubeichen/lk-v500,pichina/lk,jsr-d9/android_kernel_lk,Redmi-dev/android_bootable_lk,mozilla-b2g/kernel_lk,t2m-foxfone/kernel_lk,M1cha/lktris,beidl/lk_umia,M1cha/mi2_lk,Blefish/android_bootable_bootloader_lk,idor/dk50-bootable_bootloader_lk,jbott/lk_gee,Foxda-Tech/argo8-bootable-bootloader-lk,mozilla-b2g/fairphone2_kernel_lk,detule/lk-g2-spr,oubeichen/lk-v500,efidroid/lk,M1cha/mi2_lk,pichina/lk,oubeichen/lk-v500,CanarySolutions/little-kernel,Blefish/android_bootable_bootloader_lk,jbott/lk_gee,utilite2/lk,idor/dk50-bootable_bootloader_lk,lg-devs/g2-bootloader,jcsullins/moboot,mozilla-b2g/kernel_lk,RonGokhale/android_lk_bootloader,mozilla-b2g/fairphone2_kernel_lk,xndcn/moboot-for-veer,lg-devs/g2-bootloader,efidroid/lk,Redmi-dev/android_bootable_lk,t2m-foxfone/android_kernel_lk,my4ndr0id/android_bootable_bootloader_lk,Foxda-Tech/argo8-bootable-bootloader-lk,thornbirdblue/codeaurora_lk,DooMLoRD/android_bootable_bootloader_lk,oubeichen/lk-v500,detule/lk-g2-spr,utilite2/lk,Redmi-dev/android_bootable_lk,jsr-d10/android_bootable_bootloader_lk,jsr-d10/android_bootable_bootloader_lk,efidroid/lk,idor/dk50-bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk,detule/lk-g2-spr,jcsullins/moboot,t2m-foxfone/kernel_lk,M1cha/lktris,jsr-d10/android_bootable_bootloader_lk,idor/dk50-bootable_bootloader_lk,jsr-d9/android_kernel_lk,Redmi-dev/android_bootable_lk,mozilla-b2g/kernel_lk,thornbirdblue/codeaurora_lk,thornbirdblue/codeaurora_lk,M1cha/mi2_lk,jsr-d9/android_kernel_lk,jbott/lk_gee,beidl/lk_umia,chirayudesai/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,thornbirdblue/codeaurora_lk,my4ndr0id/android_bootable_bootloader_lk,M1cha/mi2_lk,xndcn/moboot-for-veer,M1cha/android_bootable_bootloader_lk,mozilla-b2g/fairphone2_kernel_lk,hanjae/lumiab0,M1cha/lktris