[qsd8650a]: Limit cpu frequency to 768 MHz
[qsd8650a]: Limit cpu frequency to 768 MHz

Switching to 1.2 GHz was causing stability issue during bootup on
some hardware variants. So limiting the frequecy to 768 MHz.

Change-Id: If9de8bc294f005eff65bd74b62e67c171fb27ea6
CRs-Fixed: 252072

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