libfdt: Fix logic in nop_property testcase
libfdt: Fix logic in nop_property testcase

This patch fixes some completely bogus error checking logic from the
nop_property testcase (resulted from a cut-and-paste error).

Signed-off-by: David Gibson <aa743a0aaec8f7d7a1f01442503957f4d7a2d634@gibson.dropbear.id.au>

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