mb/prodrive/hermes: Add VT-x control via EEPROM

Introduce a new field in the board settings EEPROM region to control
whether VT-x is to be enabled.

Change-Id: If65c58dd6e5069dba1675ad875c7ac89e704350e
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61507
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Marvin Drees <marvin.drees@9elements.com>
diff --git a/src/mainboard/prodrive/hermes/eeprom.h b/src/mainboard/prodrive/hermes/eeprom.h
index 4b609df..f428a43 100644
--- a/src/mainboard/prodrive/hermes/eeprom.h
+++ b/src/mainboard/prodrive/hermes/eeprom.h
@@ -52,12 +52,13 @@
 			uint8_t front_panel_audio;
 			uint8_t pxe_boot_capability;
 			uint8_t pink_rear_vref;
+			uint8_t vtx_disabled;
 		};
-		uint8_t raw_settings[10];
+		uint8_t raw_settings[11];
 	};
 };
 
-_Static_assert(sizeof(struct eeprom_board_settings) == (10 + sizeof(uint32_t)),
+_Static_assert(sizeof(struct eeprom_board_settings) == (11 + sizeof(uint32_t)),
 		"struct eeprom_board_settings has invalid size!");
 
 struct __packed eeprom_bmc_settings {
diff --git a/src/mainboard/prodrive/hermes/mainboard.c b/src/mainboard/prodrive/hermes/mainboard.c
index 6ca9613..2f0de61 100644
--- a/src/mainboard/prodrive/hermes/mainboard.c
+++ b/src/mainboard/prodrive/hermes/mainboard.c
@@ -240,6 +240,8 @@
 		/* Set Deep Sx */
 		config->deep_s5_enable_ac = board_cfg->deep_sx_enabled;
 		config->deep_s5_enable_dc = board_cfg->deep_sx_enabled;
+
+		config->disable_vmx = board_cfg->vtx_disabled;
 	}
 
 	if (check_signature(offsetof(struct eeprom_layout, supd), FSPS_UPD_SIGNATURE)) {