Support ostree install through kickstart.

osbuild-manifests/Makefile

@@ -11,7 +11,7 @@ apply-escaped-space = $(subst $(ESCAPEDSPACE_REPLACEMENT),$(SPACE),$1)
 
 HOST_ARCH:=$(shell arch)
 
-ARCHES := x86_64 aarch64
+ARCHES := x86_64
 
 
 export VM=0
@@ -40,7 +40,6 @@ endif
 export CHECKPOINTS=build
 IMAGETYPES := regular ostree direct
 FORMATS := img qcow2 oci.tar repo rootfs ext4 tar
-aarch64_TARGETS := rpi4
 COMMON_TARGETS := qemu
 HOST_TARGETS := $(COMMON_TARGETS) $($(HOST_ARCH)_TARGETS)
 ALL_TARGETS := $(COMMON_TARGETS) $(foreach a,$(ARCHES), $($(a)_TARGETS))