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/applications/audio/espeak/gcc6.patch

@@ -0,0 +1,13 @@
+diff --git c/src/tr_languages.cpp i/src/tr_languages.cpp
+index ec210a5..9503f47 100755
+--- c/src/tr_languages.cpp
++++ i/src/tr_languages.cpp
+@@ -198,7 +198,7 @@ static const unsigned short chars_ignore_zwnj_hyphen[] = {
+ 	0x200d,  1, // zero width joiner
+ 	0, 0 };
+ 
+-const char string_ordinal[] = {0xc2,0xba,0};  // masculine ordinal character, UTF-8
++const char string_ordinal[] = {char(0xc2),char(0xba),0};  // masculine ordinal character, UTF-8
+ 
+ 
+ static Translator* NewTranslator(void)