populate_sdk_deb: Fix meta-toolchain-sdk with amd64 ARCH
Map SDK_ARCH x86_64 to DEB_SDK_ARCH amd64
Without this patch meta-toolchain-gmae fails to do_populate_sdk
| The following packages have unmet dependencies:
| nativesdk-packagegroup-sdk-host : Depends: nativesdk-autoconf but it
is not installable
| Depends: nativesdk-libtool but it
is not installable
| Depends: nativesdk-shadow but it is
not installable
| Depends: nativesdk-unfs-server but
it is not installable
| Depends: nativesdk-makedevs but it
is not installable
| Depends: nativesdk-automake but it
is not installable
| Depends: nativesdk-qemu but it is
not installable
| Depends: nativesdk-pkgconfig but it
is not installable
| Depends: nativesdk-pseudo but it is
not installable
| Depends: nativesdk-qemu-helper but
it is not installable
| Depends: nativesdk-opkg but it is
not installable
| packagegroup-cross-canadian-qt5022 : Depends:
gdb-cross-canadian-x86-64 but it is not installable
| Depends:
binutils-cross-canadian-x86-64 but it is not installable
| Depends:
gcc-cross-canadian-x86-64 but it is not installable
| Depends: meta-environment-qt5022
but it is not installable
