Add unpacking lzma initramfs by cl-kernel.

install/cl-kernel

@@ -74,7 +74,9 @@ initramfs_unpack() {
 	mkdir -p tmp/initramfs || die "Catn't create temporary directory for initramfs"
 	pushd tmp/initramfs >/dev/null
 	# unpack initramfs
-	gzip -dc ${BOOT_DIR}/initramfs-${KERNEL_NAME}-*-${KERNEL_VERSION} | cpio -di &>/dev/null || die "Cann't unpack initramfs" 
+	archcmd="gzip"
+	lzma -dc ${BOOT_DIR}/initramfs-${KERNEL_NAME}-*-${KERNEL_VERSION} &>/dev/null && archcmd="lzma"
+	${archcmd} -dc ${BOOT_DIR}/initramfs-${KERNEL_NAME}-*-${KERNEL_VERSION} | cpio -di &>/dev/null || die "Cann't unpack initramfs" 
 	# remove old initramfs
 	rm ${BOOT_DIR}/initramfs-${KERNEL_NAME}-*-${KERNEL_VERSION} || warning "Cann't remove old initramfs"
 }