Format DOUBLE as a fixed floating point number

previous format:
1.20758e+06
0.370689
0.00014128

new format:
1207583.000
0.371
0.000

Change-Id: I00f41d841e5e62c4b25dc5e646b6487449773e01
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>

rdci/src/RdciDmonSubSystem.cc

@@ -25,6 +25,7 @@ THE SOFTWARE.
 #include <signal.h>
 #include <assert.h>
 
+#include <cmath>
 #include <limits>
 #include <iomanip>
 #include <unordered_map>
@@ -569,6 +570,7 @@ void RdciDmonSubSystem::process() {
                             << value.value.l_int;
                      } else if (value.type == DOUBLE) {
                          std::cout << std::left << std::setw(20)
+                            << std::fixed << std::setprecision(3)
                             << value.value.dbl;
                      } else {
                          std::cout << std::left << std::setw(20)