Clean up between EFI builds

script/prep-release.sh

@@ -55,13 +55,17 @@ mv bin-x86_64-efi/ipxe.efi ../../build/ipxe/netboot.xyz.efi
 mv ipxe.eiso ../../build/ipxe/netboot.xyz-efi.iso
 
 # generate EFI arm64 iPXE disk
-make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 bin-arm64-efi/snp.efi \ 
-EMBED=../../ipxe/disks/netboot.xyz TRUST=ca-ipxe-org.crt,ca-netboot-xyz.crt
+make clean
+make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 \
+EMBED=../../ipxe/disks/netboot.xyz TRUST=ca-ipxe-org.crt,ca-netboot-xyz.crt \
+bin-arm64-efi/snp.efi
 mv bin-arm64-efi/snp.efi ../../build/ipxe/netboot.xyz-arm64.efi
 
 # generate netboot.xyz-packet-arm64 iPXE disk
-make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 bin-arm64-efi/snp.efi \
-EMBED=../../ipxe/disks/netboot.xyz-packet TRUST=ca-ipxe-org.crt,ca-netboot-xyz.crt
+make clean
+make CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 \
+EMBED=../../ipxe/disks/netboot.xyz-packet TRUST=ca-ipxe-org.crt,ca-netboot-xyz.crt \
+bin-arm64-efi/snp.efi
 mv bin-arm64-efi/snp.efi ../../build/ipxe/netboot.xyz-packet-arm64.efi
 
 # return to root