partition_parser: Change in calculation for size of partition.
partition_parser: Change in calculation for size of partition.

Change-Id: I8a49138faf9402367353a481eb179e210e7b2da3

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