fix: Change BPM ID bitwidth

hdl/pkg_corrmatrixpi.vhd

@@ -14,7 +14,7 @@ package pkg_corr_matrixpi is
 
     -- Data input
     constant C_W_BPMPOS         : natural := 32;
-    constant C_W_BPMID          : natural := 8;
+    constant C_W_BPMID          : natural := 16;
     constant C_W_BPMSEQ         : natural := 8;
     constant C_W_PSCID          : natural := 8;