feat: enable ecdsa support for esp32h21

This commit enabled suppot for ECDSA peripheral in ESP32H21.

components/esp_security/Kconfig

@@ -50,4 +50,13 @@ menu "ESP Security Specific"
             the cases when trusted boot is not enabled and the attacker tries carrying out non-constant
             time point multiplication operations by changing the default ESP-IDF configurations.
             Performing constant time operations protect the ECC multiplication operations from timing attacks.
+
+    config ESP_ECDSA_ENABLE_P192_CURVE
+        bool "Enable ECDSA 192-curve operations"
+        depends on SOC_ECDSA_P192_CURVE_DEFAULT_DISABLED
+        default N
+        help
+            By default, only the 256-bit curve operations are allowed. If this configuration is enabled,
+            it will set the eFuse to allow ECDSA operations using both the 192-bit and 256-bit curves.
+
 endmenu

components/esp_security/src/init.c

@@ -58,6 +58,15 @@ ESP_SYSTEM_INIT_FN(esp_security_init, SECONDARY, BIT(0), 103)
         }
     }
 #endif
+
+#if CONFIG_ESP_ECDSA_ENABLE_P192_CURVE
+    esp_err_t err;
+    err = esp_efuse_enable_ecdsa_p192_curve_mode();
+    if (err != ESP_OK) {
+        return err;
+    }
+#endif
+
     return ESP_OK;
 }