[Depends] Fix Qt builds for M1 apple builds
[Depends] Fix Qt builds for M1 apple builds

Hard-set arm64 device arch for apple silicon (aarch64) builds in order
to ensure native binaries are all aarch64 compatible.

Darknet-Crypto/Darknet,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,PIVX-Project/PIVX,Darknet-Crypto/Darknet,PIVX-Project/PIVX,PIVX-Project/PIVX,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX