nfp: bpf: correct printk formats for size_t

Build bot reported warning about invalid printk formats on 32bit
architectures.  Use %zu for size_t and %zd ptr diff.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

drivers/net/ethernet/netronome/nfp/bpf/main.c

@@ -225,7 +225,7 @@ static int nfp_bpf_parse_capabilities(struct nfp_app *app)
 		}
 	}
 	if (mem - start != nfp_cpp_area_size(area)) {
-		nfp_err(cpp, "BPF capabilities left after parsing, parsed:%lu total length:%lu\n",
+		nfp_err(cpp, "BPF capabilities left after parsing, parsed:%zd total length:%zu\n",
 			mem - start, nfp_cpp_area_size(area));
 		goto err_release_free;
 	}
@@ -235,7 +235,7 @@ static int nfp_bpf_parse_capabilities(struct nfp_app *app)
 	return 0;
 
 err_release_free:
-	nfp_err(cpp, "invalid BPF capabilities at offset:%ld\n", mem - start);
+	nfp_err(cpp, "invalid BPF capabilities at offset:%zd\n", mem - start);
 	nfp_cpp_area_release_free(area);
 	return -EINVAL;
 }