Change in coreboot[master]: mb/google/herobrine: Ensure board ID GPIOs are set

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/60795 )

Change subject: mb/google/herobrine: Ensure board ID GPIOs are set
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mb/google/herobrine: Ensure board ID GPIOs are set

If a new variant is added without updating the `board_id()` function,
invalid GPIOs would be used to determine the board ID. To avoid this,
use the `dead_code()` macro to force a build-time error.

Change-Id: I863cd7acc31442333d8f73d1bd3a77f5c9978020
Signed-off-by: Angel Pons 
---
M src/mainboard/google/herobrine/boardid.c
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/95/60795/1

diff --git a/src/mainboard/google/herobrine/boardid.c b/src/mainboard/google/herobrine/boardid.c
index 07ea362..9d5a37e 100644
--- a/src/mainboard/google/herobrine/boardid.c
+++ b/src/mainboard/google/herobrine/boardid.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

+#include <assert.h>
 #include <boardid.h>
 #include <ec/google/chromeec/ec.h>
 #include "board.h"
@@ -20,6 +21,8 @@
    	pins[2] = GPIO(50);
    	pins[1] = GPIO(49);
    	pins[0] = GPIO(48);
+	} else {
+		dead_code();
    }

if (id == UNDEFINED_STRAPPING_ID)