uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/embedded/bossa/bin2c.c

@@ -0,0 +1,122 @@
+// bin2c.c
+//
+// convert a binary file into a C source vector
+//
+// THE "BEER-WARE LICENSE" (Revision 3.1415):
+// sandro AT sigala DOT it wrote this file. As long as you retain this notice you can do
+// whatever you want with this stuff.  If we meet some day, and you think this stuff is
+// worth it, you can buy me a beer in return.  Sandro Sigala
+//
+// syntax:  bin2c [-c] [-z] <input_file> <output_file>
+//
+//          -c    add the "const" keyword to definition
+//          -z    terminate the array with a zero (useful for embedded C strings)
+//
+// examples:
+//     bin2c -c myimage.png myimage_png.cpp
+//     bin2c -z sometext.txt sometext_txt.cpp
+ 
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+ 
+#ifndef PATH_MAX
+#define PATH_MAX 1024
+#endif
+ 
+int useconst = 0;
+int zeroterminated = 0;
+ 
+int myfgetc(FILE *f)
+{
+	int c = fgetc(f);
+	if (c == EOF && zeroterminated)
+	{
+		zeroterminated = 0;
+		return 0;
+	}
+	return c;
+}
+ 
+void process(const char *ifname, const char *ofname)
+{
+	FILE *ifile, *ofile;
+	ifile = fopen(ifname, "rb");
+	if (ifile == NULL)
+	{
+		fprintf(stderr, "cannot open %s for reading\n", ifname);
+		exit(1);
+	}
+	ofile = fopen(ofname, "wb");
+	if (ofile == NULL)
+	{
+		fprintf(stderr, "cannot open %s for writing\n", ofname);
+		exit(1);
+	}
+	char buf[PATH_MAX], *p;
+	const char *cp;
+	if ((cp = strrchr(ifname, '/')) != NULL)
+	{
+		++cp;
+	} else {
+		if ((cp = strrchr(ifname, '\\')) != NULL)
+			++cp;
+		else
+			cp = ifname;
+	}
+	strcpy(buf, cp);
+	for (p = buf; *p != '\0'; ++p)
+	{
+		if (!isalnum(*p))
+			*p = '_';
+	}
+	fprintf(ofile, "static %sunsigned char %s[] = {\n", useconst ? "const " : "", buf);
+	int c, col = 1;
+	while ((c = myfgetc(ifile)) != EOF)
+	{
+		if (col >= 78 - 6)
+		{
+			fputc('\n', ofile);
+			col = 1;
+		}
+		fprintf(ofile, "0x%.2x, ", c);
+		col += 6;
+	}
+	fprintf(ofile, "\n};\n");
+ 
+	fclose(ifile);
+	fclose(ofile);
+}
+ 
+void usage(void)
+{
+	fprintf(stderr, "usage: bin2c [-cz] <input_file> <output_file>\n");
+	exit(1);
+}
+ 
+int main(int argc, char **argv)
+{
+	while (argc > 3)
+	{
+		if (!strcmp(argv[1], "-c"))
+		{
+			useconst = 1;
+			--argc;
+			++argv;
+		} else if (!strcmp(argv[1], "-z"))
+		{
+			zeroterminated = 1;
+			--argc;
+			++argv;
+		} else {
+			usage();
+		}
+	}
+	if (argc != 3)
+	{
+		usage();
+	}
+	process(argv[1], argv[2]);
+	return 0;
+}