[otp_ctrl] Minor design alignment

Signed-off-by: Michael Schaffner <msf@opentitan.org>

hw/ip/keymgr/rtl/keymgr.sv

diff --git a/hw/ip/keymgr/rtl/keymgr.sv b/hw/ip/keymgr/rtl/keymgr.sv
index 7fc1cb9..34623a3 100644
--- a/hw/ip/keymgr/rtl/keymgr.sv
+++ b/hw/ip/keymgr/rtl/keymgr.sv
@@ -312,10 +312,7 @@
                                               creator_seed});
 
   logic unused_otp_bits;
-  assign unused_otp_bits = ^{otp_hw_cfg_i.valid,
-                             otp_hw_cfg_i.data.hw_cfg_digest,
-                             otp_hw_cfg_i.data.hw_cfg_content
-                            };
+  assign unused_otp_bits = ^otp_hw_cfg_i;
 
   assign adv_dvalid[Creator] = creator_seed_vld &
                                devid_vld &

hw/ip/lc_ctrl/rtl/lc_ctrl.sv

diff --git a/hw/ip/lc_ctrl/rtl/lc_ctrl.sv b/hw/ip/lc_ctrl/rtl/lc_ctrl.sv
index 3acec1f..4db0ece 100644
--- a/hw/ip/lc_ctrl/rtl/lc_ctrl.sv
+++ b/hw/ip/lc_ctrl/rtl/lc_ctrl.sv
@@ -223,9 +223,7 @@
   logic lc_idle_d;
 
   logic unused_otp_hw_cfg_bits;
-  assign unused_otp_hw_cfg_bits = ^{otp_hw_cfg_i.valid,
-                                    otp_hw_cfg_i.data.hw_cfg_digest,
-                                    otp_hw_cfg_i.data.hw_cfg_content};
+  assign unused_otp_hw_cfg_bits = ^otp_hw_cfg_i;
 
   always_comb begin : p_csr_assign_outputs
     hw2reg = '0;