[axi_sub] Remove the duplicated axi_sub library

The lib was previously duplicated from the original caliptra version
only to introduce a duplicate parameter (AG with the same function as
BW). Additionally, axi_sub would not support different data widths for
the axi and component side.

Signed-off-by: Florian Glaser <glaserf@lowrisc.org>

Author: glaserf

src/hci/axi_adapter.sv

@@ -193,9 +193,8 @@ module axi_adapter #(
   logic i3c_rd_err, i3c_wr_err;
 
   // Instantiate AXI subordinate to component interface module
-  i3c_axi_sub #(
+  axi_sub #(
       .AW(CsrAddrWidth),
-      .AG($clog2(CsrDataWidth/8)),
       .DW(AxiDataWidth),
       .UW(AxiUserWidth),
       .IW(AxiIdWidth)

src/i3c.f

@@ -15,6 +15,10 @@
 ${CALIPTRA_ROOT}/src/axi/rtl/axi_pkg.sv
 ${CALIPTRA_ROOT}/src/axi/rtl/axi_if.sv
 ${CALIPTRA_ROOT}/src/axi/rtl/axi_addr.v
+${CALIPTRA_ROOT}/src/axi/rtl/axi_sub_arb.sv
+${CALIPTRA_ROOT}/src/axi/rtl/axi_sub_rd.sv
+${CALIPTRA_ROOT}/src/axi/rtl/axi_sub_wr.sv
+${CALIPTRA_ROOT}/src/axi/rtl/axi_sub.sv
 ${CALIPTRA_ROOT}/src/libs/rtl/skidbuffer.v
 ${I3C_ROOT_DIR}/src/libs/mem/prim_ram_1p_pkg.sv
 ${I3C_ROOT_DIR}/src/libs/mem/prim_generic_ram_1p.sv
@@ -28,10 +32,6 @@
 ${I3C_ROOT_DIR}/src/phy/i3c_phy.sv
 ${I3C_ROOT_DIR}/src/csr/I3CCSR.sv
 ${I3C_ROOT_DIR}/src/interrupt.sv
-${I3C_ROOT_DIR}/src/libs/axi_sub/i3c_axi_sub_arb.sv
-${I3C_ROOT_DIR}/src/libs/axi_sub/i3c_axi_sub_rd.sv
-${I3C_ROOT_DIR}/src/libs/axi_sub/i3c_axi_sub.sv
-${I3C_ROOT_DIR}/src/libs/axi_sub/i3c_axi_sub_wr.sv
 ${I3C_ROOT_DIR}/src/hci/queues/read_queue.sv
 ${I3C_ROOT_DIR}/src/hci/queues/write_queue.sv
 ${I3C_ROOT_DIR}/src/hci/ahb_if.sv