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/emulators/nestopia/gcc6.patch

@@ -0,0 +1,92 @@
+From f4bc74ac4954328b25e961e7afb7337377084079 Mon Sep 17 00:00:00 2001
+From: David Seifert <soap@gentoo.org>
+Date: Sat, 31 Dec 2016 18:21:18 +0200
+Subject: [PATCH] Fix compiling in C++14 mode
+
+* Left shifting a negative signed is undefined behaviour
+* Fix incorrect printf() specifiers found with -Wformat
+---
+ source/core/NstCore.hpp            | 4 ++--
+ source/unix/gtkui/gtkui.cpp        | 2 +-
+ source/unix/gtkui/gtkui.h          | 1 -
+ source/unix/gtkui/gtkui_cheats.cpp | 8 ++++----
+ source/unix/video.cpp              | 2 +-
+ 5 files changed, 8 insertions(+), 9 deletions(-)
+
+diff --git a/source/core/NstCore.hpp b/source/core/NstCore.hpp
+index 50e20f6..420cc4a 100644
+--- a/source/core/NstCore.hpp
++++ b/source/core/NstCore.hpp
+@@ -279,14 +279,14 @@ namespace Nes
+ 		template<typename T>
+ 		inline long signed_shl(T v,uint c)
+ 		{
+-			enum {NATIVE = T(-7) << 1 == -14};
++			enum {NATIVE = -(T(7) << 1) == -14};
+ 			return Helper::ShiftSigned<T,NATIVE>::Left( v, c );
+ 		}
+ 
+ 		template<typename T>
+ 		inline long signed_shr(T v,uint c)
+ 		{
+-			enum {NATIVE = T(-7) >> 1 == -4 || T(-7) >> 1 == -3};
++			enum {NATIVE = -(T(7) >> 1) == -4 || -(T(7) >> 1) == -3};
+ 			return Helper::ShiftSigned<T,NATIVE>::Right( v, c );
+ 		}
+ 
+diff --git a/source/unix/gtkui/gtkui.cpp b/source/unix/gtkui/gtkui.cpp
+index 3cfeeab..d4a5e2d 100644
+--- a/source/unix/gtkui/gtkui.cpp
++++ b/source/unix/gtkui/gtkui.cpp
+@@ -438,7 +438,7 @@ void gtkui_message(const char* message) {
+ 				GTK_DIALOG_DESTROY_WITH_PARENT,
+ 				GTK_MESSAGE_INFO,
+ 				GTK_BUTTONS_OK,
+-				message);
++				"%s", message);
+ 	gtk_dialog_run(GTK_DIALOG(messagewindow));
+ 	gtk_widget_destroy(messagewindow);
+ }
+diff --git a/source/unix/gtkui/gtkui_cheats.cpp b/source/unix/gtkui/gtkui_cheats.cpp
+index afc01b0..e7b691a 100644
+--- a/source/unix/gtkui/gtkui_cheats.cpp
++++ b/source/unix/gtkui/gtkui_cheats.cpp
+@@ -373,7 +373,7 @@ void gtkui_cheats_fill_tree(char *filename) {
+ 				else if (node.GetChild(L"address")) { // Raw
+ 					char rawbuf[11];
+ 					snprintf(rawbuf, sizeof(rawbuf),
+-								"%04x %02x %02x",
++								"%04lu %02lu %02lu",
+ 								node.GetChild(L"address").GetUnsignedValue(),
+ 								node.GetChild(L"value").GetUnsignedValue(),
+ 								node.GetChild(L"compare").GetUnsignedValue());
+@@ -545,13 +545,13 @@ gboolean gtkui_cheats_scan_list(GtkTreeModel *model, GtkTreePath *path, GtkTreeI
+ 			int addr, value, compare;
+ 			char buf[5];
+ 			
+-			snprintf(buf, sizeof(buf), "%c%c%c%c\0", rawcode[0], rawcode[1], rawcode[2], rawcode[3]);
++			snprintf(buf, sizeof(buf), "%c%c%c%c", rawcode[0], rawcode[1], rawcode[2], rawcode[3]);
+ 			sscanf(buf, "%x", &addr);
+ 			
+-			snprintf(buf, sizeof(buf), "%c%c\0", rawcode[5], rawcode[6]);
++			snprintf(buf, sizeof(buf), "%c%c", rawcode[5], rawcode[6]);
+ 			sscanf(buf, "%x", &value);
+ 			
+-			snprintf(buf, sizeof(buf), "%c%c\0", rawcode[8], rawcode[9]);
++			snprintf(buf, sizeof(buf), "%c%c", rawcode[8], rawcode[9]);
+ 			sscanf(buf, "%x", &compare);
+ 			
+ 			code.address = addr;
+diff --git a/source/unix/video.cpp b/source/unix/video.cpp
+index 3eff19d..c34bb22 100644
+--- a/source/unix/video.cpp
++++ b/source/unix/video.cpp
+@@ -757,7 +757,7 @@ void video_screenshot(const char* filename) {
+ 	if (filename == NULL) {
+ 		// Set the filename
+ 		char sshotpath[512];
+-		snprintf(sshotpath, sizeof(sshotpath), "%sscreenshots/%s-%d-%d.png", nstpaths.nstdir, nstpaths.gamename, time(NULL), rand() % 899 + 100);
++		snprintf(sshotpath, sizeof(sshotpath), "%sscreenshots/%s-%ld-%d.png", nstpaths.nstdir, nstpaths.gamename, time(NULL), rand() % 899 + 100);
+ 		
+ 		// Save the file
+ 		lodepng_encode32_file(sshotpath, (const unsigned char*)pixels, rendersize.w, rendersize.h);