bitbake.conf/qemux86-64: Automate TRANSLATED_TARGET_ARCH

index ac5d1f3..6f0b42c 100644
@@ -728,7 +728,7 @@ TARGET_ARCH[unexport] = "1"
 DISTRO[unexport] = "1"
 
 # Used by canadian-cross to handle string conversions on TARGET_ARCH where needed
-TRANSLATED_TARGET_ARCH ??= ${TARGET_ARCH}
+TRANSLATED_TARGET_ARCH ??= "${@d.getVar('TARGET_ARCH', True).replace("_", "-")}"
 
 # Setup our default hash policy
 BB_SIGNATURE_HANDLER ?= "basic"

index 46d7d12..18a7513 100644
@@ -2,9 +2,6 @@
 #@NAME: common_pc
 #@DESCRIPTION: Machine configuration for running a common x86
 
-TARGET_ARCH = "x86_64"
-TRANSLATED_TARGET_ARCH = "x86-64"
-
 PREFERRED_PROVIDER_virtual/libgl  = "mesa-dri"
 PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xf86-dri-lite"