[msm7k] fix warning in gpio.c
[msm7k] fix warning in gpio.c

jsr-d9/android_kernel_lk,jbott/lk_gee,littlekernel/lk,oubeichen/lk-v500,nvll/lk,GCrean/lk,zhuotong/mi2_lk_NoEmmc,minglun-tsai/lk,jsr-d9/android_kernel_lk,M1cha/lk,GCrean/lk,RonGokhale/android_lk_bootloader,xndcn/moboot-for-veer,skabet/lk,ErikCorryGoogle/lk,M1cha/mi2_lk,hanjae/lumiab0,pichina/lk,jbott/lk_gee,DooMLoRD/android_bootable_bootloader_lk,lg-devs/g2-bootloader,Foxda-Tech/polaris-bootable-bootloader-lk,idor/dk50-bootable_bootloader_lk,Foxda-Tech/argo8-bootable-bootloader-lk,jsr-d10/android_bootable_bootloader_lk,M1cha/lktris,ianloic/lk,utilite2/lk,CanarySolutions/little-kernel,oubeichen/lk-v500,Foxda-Tech/polaris-bootable-bootloader-lk,Redmi-dev/android_bootable_lk,beidl/lk_umia,littlekernel/lk,my4ndr0id/android_bootable_bootloader_lk,M1cha/android_bootable_bootloader_lk,jsr-d10/android_bootable_bootloader_lk,pablomarx/lk,t2m-foxfone/kernel_lk,grub4android/lk,detule/lk-g2-spr,detule/lk-g2-spr,MiCode/mi2_lk,M1cha/mi2_lk,efidroid/lk,beidl/lk_umia,jsr-d9/android_kernel_lk,nvll/lk,idor/dk50-bootable_bootloader_lk,oubeichen/lk-v500,Redmi-dev/android_bootable_lk,travisg/lk,CanarySolutions/little-kernel,M1cha/android_bootable_bootloader_lk,minglun-tsai/lk,hollanderic/lkstuff,ianloic/lk,Redmi-dev/android_bootable_lk,nvll/lk,Blefish/android_bootable_bootloader_lk,grub4android/lk,M1cha/lktris,detule/lk-g2-spr,DooMLoRD/android_bootable_bootloader_lk,jcsullins/moboot,efidroid/lk,Foxda-Tech/argo8-bootable-bootloader-lk,jsr-d10/android_bootable_bootloader_lk,my4ndr0id/android_bootable_bootloader_lk,skabet/lk,chirayudesai/android_bootable_bootloader_lk,lg-devs/g2-bootloader,mozilla-b2g/kernel_lk,mozilla-b2g/fairphone2_kernel_lk,idor/dk50-bootable_bootloader_lk,srodrig1/lk,M1cha/lk,my4ndr0id/android_bootable_bootloader_lk,RonGokhale/android_lk_bootloader,jcsullins/moboot,zhuotong/mi2_lk_NoEmmc,hanjae/lumiab0,hanjae/lumiab0,detule/lk-g2-spr,jcsullins/moboot,t2m-foxfone/kernel_lk,t2m-foxfone/android_kernel_lk,chirayudesai/android_bootable_bootloader_lk,nvll/lk,srodrig1/lk,t2m-foxfone/android_kernel_lk,hollanderic/lkstuff,mozilla-b2g/kernel_lk,mozilla-b2g/kernel_lk,thornbirdblue/codeaurora_lk,utilite2/lk,my4ndr0id/android_bootable_bootloader_lk,M1cha/mi2_lk,mozilla-b2g/fairphone2_kernel_lk,beidl/lk_umia,Redmi-dev/android_bootable_lk,Foxda-Tech/argo8-bootable-bootloader-lk,detule/lk-g2-spr,Redmi-dev/android_bootable_lk,M1cha/android_bootable_bootloader_lk,sndnvaps/lk,MiCode/mi2_lk,jbott/lk_gee,Foxda-Tech/polaris-bootable-bootloader-lk,srodrig1/lk,sndnvaps/lk,jsr-d9/android_kernel_lk,oubeichen/lk-v500,chirayudesai/android_bootable_bootloader_lk,efidroid/lk,idor/dk50-bootable_bootloader_lk,t2m-foxfone/android_kernel_lk,my4ndr0id/android_bootable_bootloader_lk,oubeichen/lk-v500,xndcn/moboot-for-veer,Blefish/android_bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk,DooMLoRD/android_bootable_bootloader_lk,xndcn/moboot-for-veer,jbott/lk_gee,minglun-tsai/lk,MiCode/mi2_lk,DooMLoRD/android_bootable_bootloader_lk,M1cha/lk,RonGokhale/android_lk_bootloader,Foxda-Tech/argo8-bootable-bootloader-lk,jsr-d10/android_bootable_bootloader_lk,thornbirdblue/codeaurora_lk,grub4android/lk,pablomarx/lk,MiCode/mi2_lk,GCrean/lk,jsr-d10/android_bootable_bootloader_lk,utilite2/lk,M1cha/lktris,CanarySolutions/little-kernel,M1cha/android_bootable_bootloader_lk,beidl/lk_umia,srodrig1/lk,nvll/lk,Blefish/android_bootable_bootloader_lk,efidroid/lk,M1cha/lktris,srodrig1/lk,pablomarx/lk,ianloic/lk,RonGokhale/android_lk_bootloader,MiCode/mi2_lk,Foxda-Tech/argo8-bootable-bootloader-lk,efidroid/lk,skabet/lk,pichina/lk,jsr-d9/android_kernel_lk,M1cha/android_bootable_bootloader_lk,mozilla-b2g/kernel_lk,xndcn/moboot-for-veer,ErikCorryGoogle/lk,GCrean/lk,t2m-foxfone/kernel_lk,minglun-tsai/lk,DooMLoRD/android_bootable_bootloader_lk,jcsullins/moboot,hollanderic/lkstuff,CanarySolutions/little-kernel,chirayudesai/android_bootable_bootloader_lk,mozilla-b2g/fairphone2_kernel_lk,Blefish/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,hanjae/lumiab0,jcsullins/moboot,beidl/lk_umia,littlekernel/lk,M1cha/lk,jcsullins/moboot,M1cha/lktris,grub4android/lk,M1cha/lk,skabet/lk,thornbirdblue/codeaurora_lk,t2m-foxfone/android_kernel_lk,M1cha/mi2_lk,utilite2/lk,sndnvaps/lk,ErikCorryGoogle/lk,ianloic/lk,lg-devs/g2-bootloader,pichina/lk,travisg/lk,skabet/lk,CanarySolutions/little-kernel,M1cha/android_bootable_bootloader_lk,hollanderic/lkstuff,zhuotong/mi2_lk_NoEmmc,grub4android/lk,sndnvaps/lk,pichina/lk,lg-devs/g2-bootloader,zhuotong/mi2_lk_NoEmmc,mozilla-b2g/fairphone2_kernel_lk,travisg/lk,M1cha/mi2_lk,xndcn/moboot-for-veer,hanjae/lumiab0,travisg/lk,GCrean/lk,pablomarx/lk,thornbirdblue/codeaurora_lk,jbott/lk_gee,thornbirdblue/codeaurora_lk,littlekernel/lk,zhuotong/mi2_lk_NoEmmc,pichina/lk,chirayudesai/android_bootable_bootloader_lk,lg-devs/g2-bootloader,t2m-foxfone/kernel_lk,t2m-foxfone/kernel_lk,utilite2/lk,RonGokhale/android_lk_bootloader,mozilla-b2g/kernel_lk,idor/dk50-bootable_bootloader_lk,ErikCorryGoogle/lk,mozilla-b2g/fairphone2_kernel_lk,Foxda-Tech/polaris-bootable-bootloader-lk,sndnvaps/lk,pablomarx/lk,t2m-foxfone/android_kernel_lk