AstroBWT algorithm (DERO) support

To test:

- Download https://github.com/deroproject/derosuite/releases/tag/AstroBWT
- Run daemon with `--testnet` in command line

In config.json:
- "coin":"dero"
- "url":"127.0.0.1:30306"
- "daemon:"true"

src/crypto/common/Algorithm.cpp

@@ -124,6 +124,9 @@ static AlgoName const algorithm_names[] = {
     { "chukwa",                    nullptr,            Algorithm::AR2_CHUKWA      },
     { "argon2/wrkz",               nullptr,            Algorithm::AR2_WRKZ        },
 #   endif
+#   ifdef XMRIG_ALGO_ASTROBWT
+    { "astrobwt/dero",             nullptr,            Algorithm::ASTROBWT_DERO   },
+#   endif
 };
 
 
@@ -210,6 +213,18 @@ size_t xmrig::Algorithm::l3() const
     }
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    if (f == ASTROBWT) {
+        switch (m_id) {
+        case ASTROBWT_DERO:
+            return oneMiB * 20;
+
+        default:
+            break;
+        }
+    }
+#   endif
+
     return 0;
 }
 
@@ -228,6 +243,12 @@ uint32_t xmrig::Algorithm::maxIntensity() const
     }
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    if (family() == ASTROBWT) {
+        return 1;
+    }
+#   endif
+
 #   ifdef XMRIG_ALGO_CN_GPU
     if (m_id == CN_GPU) {
         return 1;
@@ -291,6 +312,11 @@ xmrig::Algorithm::Family xmrig::Algorithm::family(Id id)
         return ARGON2;
 #   endif
 
+#   ifdef XMRIG_ALGO_ASTROBWT
+    case ASTROBWT_DERO:
+        return ASTROBWT;
+#   endif
+
     default:
         break;
     }