yosys: 0.36 -> 0.37

https://github.com/YosysHQ/yosys/releases/tag/yosys-0.37

The change to the patch is needed to fix this error on macOS:
```
+ clang -std=c++11 -O2 -o cxxrtl-test-value -I../../backends/cxxrtl/runtime test_value.cc -lstdc++
test_value.cc:1:10: fatal error: 'cassert' file not found
         ^~~~~~~~~
1 error generated.
make: *** [Makefile:891: test] Error 1
```

pkgs/development/compilers/yosys/default.nix

@@ -77,13 +77,13 @@ let
 
 in stdenv.mkDerivation (finalAttrs: {
   pname   = "yosys";
-  version = "0.36";
+  version = "0.37";
 
   src = fetchFromGitHub {
     owner = "YosysHQ";
     repo  = "yosys";
     rev   = "refs/tags/${finalAttrs.pname}-${finalAttrs.version}";
-    hash  = "sha256-jcaXn77OuKeC3AQTicILP3ABkJ3qBccM+uGbj1wn2Vw=";
+    hash  = "sha256-JRztXMZMBFhdZMeVHkRxFulRrFzyuNaLzcRlmgAz6Gc=";
   };
 
   enableParallelBuilding = true;

pkgs/development/compilers/yosys/fix-clang-build.patch

@@ -1,5 +1,3 @@
-diff --git a/Makefile b/Makefile
-index fa95b7b70..4d15ed721 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -215,7 +215,7 @@ ABC_ARCHFLAGS += "-DABC_NO_RLIMIT"
@@ -11,8 +9,17 @@ index fa95b7b70..4d15ed721 100644
  LD = clang++
  CXXFLAGS += -std=$(CXXSTD) -Os
  ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H -Wno-c++11-narrowing $(ABC_ARCHFLAGS)"
-diff --git a/tests/fmt/run-test.sh b/tests/fmt/run-test.sh
-index 914a72347..bc0b129d2 100644
+--- a/tests/cxxrtl/run-test.sh
++++ b/tests/cxxrtl/run-test.sh
+@@ -5,7 +5,7 @@ set -ex
+ run_subtest () {
+     local subtest=$1; shift
+ 
+-    ${CC:-gcc} -std=c++11 -O2 -o cxxrtl-test-${subtest} -I../../backends/cxxrtl/runtime test_${subtest}.cc -lstdc++
++    ${CXX:-gcc} -std=c++11 -O2 -o cxxrtl-test-${subtest} -I../../backends/cxxrtl/runtime test_${subtest}.cc -lstdc++
+     ./cxxrtl-test-${subtest}
+ }
+ 
 --- a/tests/fmt/run-test.sh
 +++ b/tests/fmt/run-test.sh
 @@ -51,7 +51,7 @@ test_cxxrtl () {