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/servers/gpsd/sconstruct-env-fixes.patch

@@ -0,0 +1,16 @@
+diff -Naur gpsd-3.22.orig/SConscript gpsd-3.22/SConscript
+--- gpsd-3.22.orig/SConscript	2021-01-09 05:35:30.000000000 +0300
++++ gpsd-3.22/SConscript	2021-02-25 21:06:47.921044438 +0300
+@@ -518,9 +518,11 @@
+     'CWRAPPERS_CONFIG_DIR',      # pkgsrc
+     # Variables used in testing
+     'WRITE_PAD',       # So we can test WRITE_PAD values on the fly.
++    'LD_LIBRARY_PATH', # Allows running 'scons check' without 'chrpath'
++    'XML_CATALOG_FILES', # Enables validating the manual with 'xmlto' using nix build system
+ )
+ 
+-envs = {}
++envs = os.environ
+ for var in import_env:
+     if var in os.environ:
+         envs[var] = os.environ[var]