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/python-modules/pikepdf/paths.patch

@@ -0,0 +1,44 @@
+diff --git a/src/pikepdf/_methods.py b/src/pikepdf/_methods.py
+index 87e99fe..253a701 100644
+--- a/src/pikepdf/_methods.py
++++ b/src/pikepdf/_methods.py
+@@ -204,7 +204,7 @@ def _mudraw(buffer, fmt) -> bytes:
+         tmp_in.flush()
+ 
+         proc = run(
+-            ['mudraw', '-F', fmt, '-o', '-', tmp_in.name],
++            ['@mudraw@', '-F', fmt, '-o', '-', tmp_in.name],
+             capture_output=True,
+             check=True,
+         )
+diff --git a/src/pikepdf/jbig2.py b/src/pikepdf/jbig2.py
+index 04c762d..924727c 100644
+--- a/src/pikepdf/jbig2.py
++++ b/src/pikepdf/jbig2.py
+@@ -26,7 +26,7 @@ def extract_jbig2(
+         output_path = Path(tmpdir) / "outfile"
+ 
+         args = [
+-            "jbig2dec",
++            "@jbig2dec@",
+             "--embedded",
+             "--format",
+             "png",
+@@ -59,7 +59,7 @@ def extract_jbig2_bytes(jbig2: bytes, jbig2_globals: bytes) -> bytes:
+         output_path = Path(tmpdir) / "outfile"
+ 
+         args = [
+-            "jbig2dec",
++            "@jbig2dec@",
+             "--embedded",
+             "--format",
+             "png",
+@@ -84,7 +84,7 @@ def extract_jbig2_bytes(jbig2: bytes, jbig2_globals: bytes) -> bytes:
+ 
+ def jbig2dec_available() -> bool:
+     try:
+-        proc = run(['jbig2dec', '--version'], stdout=PIPE, check=True, encoding='ascii')
++        proc = run(['@jbig2dec@', '--version'], stdout=PIPE, check=True, encoding='ascii')
+     except (CalledProcessError, FileNotFoundError):
+         return False
+     else: