fdts: stm32mp15_bl2: add the trusted boot configuration

Add the trusted boot firmware configuration information into
the BL2 device tree. It enabled the authentication.
MBEDTLS heap is not defined, it will use the hard coded one.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@st.com>
Change-Id: I47181d179b814dc512dc527ae54a5a19a126f1c5
Reviewed-on: https://gerrit.st.com/c/mpu/oe/st/tf-a/+/184833


Reviewed-by: CITOOLS <smet-aci-reviews@lists.codex.cro.st.com>
Reviewed-by: CIBUILD <smet-aci-builds@lists.codex.cro.st.com>
Reviewed-by: Yann GAUTIER <yann.gautier@st.com>

fdts/stm32mp15-bl2.dtsi

@@ -45,13 +45,33 @@
 			hw_cfg_uuid = <0x08b8f1d9 0xc9cf9349 0xa9626fbc 0x6b7265cc>;
 			tos_fw_cfg_uuid = <0x26257c1a 0xdbc67f47 0x8d96c4c4 0xb0248021>;
 			nt_fw_cfg_uuid = <0x28da9815 0x93e87e44 0xac661aaf 0x801550f9>;
+#if TRUSTED_BOARD_BOOT
 			t_key_cert_uuid = <0x827ee890 0xf860e411 0xa1b4777a 0x21b4f94c>;
 			t_boot_fw_cert_uuid = <0xd6e269ea 0x5d63e411 0x8d8c9fba 0xbe9956a5>;
 			tos_fw_key_cert_uuid = <0x9477d603 0xfb60e411 0x85ddb710 0x5b8cee04>;
 			nt_fw_key_cert_uuid = <0x8ad5832a 0xfb60e411 0x8aafdf30 0xbbc49859>;
 			tos_fw_content_cert_uuid = <0xa49f4411 0x5e63e411 0x87283f05 0x722af33d>;
 			nt_fw_content_cert_uuid = <0x8ec4c1f3 0x5d63e411 0xa7a987ee 0x40b23fa7>;
+#endif
 		};
 	};
+
+#if TRUSTED_BOARD_BOOT
+	tb_fw-config {
+		compatible = "arm,tb_fw";
+
+		/* Disable authentication for development */
+		disable_auth = <0x0>;
+
+		/*
+		 * The following two entries are placeholders for Mbed TLS
+		 * heap information.
+		 */
+		mbedtls_heap_addr = <0x0 0x0>;
+		mbedtls_heap_size = <0x0>;
+	};
+
+#include "cot_descriptors.dtsi"
+#endif
 #endif /* !STM32MP_USE_STM32IMAGE */
 };