baseboard: Remove unused externs

The symbols zork_base_standard_ref and grunt_base_standard_ref are never
actually defined or used anywhere.

BRANCH=None
BUG=b:247100970
TEST=zmake build -a
TEST=./twister --clobber -v -i
TEST=make -j$(nproc) buildall_only runtests
TEST=zmake compare-builds

Change-Id: I1425ceb38f1de45e50c98f86f4df4221602120e0
Signed-off-by: Jeremy Bettis <jbettis@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4049881
Code-Coverage: Zoss <zoss-cl-coverage@prod.google.com>
Auto-Submit: Jeremy Bettis <jbettis@chromium.org>
Commit-Queue: Simon Glass <sjg@chromium.org>
Tested-by: Jeremy Bettis <jbettis@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>

2 files changed, 0 insertions, 36 deletions

diff --git a/baseboard/grunt/baseboard.h b/baseboard/grunt/baseboard.h
index e385b11b86..b9ddd32861 100644
--- a/baseboard/grunt/baseboard.h
+++ b/baseboard/grunt/baseboard.h
@@ -191,7 +191,6 @@
 #ifndef __ASSEMBLER__
 
 #include "gpio_signal.h"
-#include "math_util.h"
 #include "registers.h"
 
 enum adc_channel {
@@ -225,23 +224,6 @@ enum sensor_id {
 	SENSOR_COUNT,
 };
 
-/*
- * Matrix to rotate accelerators into the standard reference frame.  The default
- * is the identity which is correct for the reference design.  Variations of
- * Grunt may need to change it for manufacturability.
- * For the lid:
- *  +x to the right
- *  +y up
- *  +z out of the page
- *
- * The principle axes of the body are aligned with the lid when the lid is in
- * the 180 degree position (open, flat).
- *
- * Boards within the Grunt family may need to modify this definition at
- * board_init() time.
- */
-extern mat33_fp_t grunt_base_standard_ref;
-
 /* Sensors without hardware FIFO are in forced mode */
 #define CONFIG_ACCEL_FORCE_MODE_MASK (1 << LID_ACCEL)
 
diff --git a/baseboard/zork/baseboard.h b/baseboard/zork/baseboard.h
index 528aa44a91..5af8f254a0 100644
--- a/baseboard/zork/baseboard.h
+++ b/baseboard/zork/baseboard.h
@@ -291,7 +291,6 @@
 #ifndef __ASSEMBLER__
 
 #include "gpio_signal.h"
-#include "math_util.h"
 #include "registers.h"
 
 enum power_signal {
@@ -319,23 +318,6 @@ enum sensor_id {
 	SENSOR_COUNT,
 };
 
-/*
- * Matrix to rotate accelerators into the standard reference frame.  The default
- * is the identity which is correct for the reference design.  Variations of
- * Zork may need to change it for manufacturability.
- * For the lid:
- *  +x to the right
- *  +y up
- *  +z out of the page
- *
- * The principle axes of the body are aligned with the lid when the lid is in
- * the 180 degree position (open, flat).
- *
- * Boards within the Zork family may need to modify this definition at
- * board_init() time.
- */
-extern mat33_fp_t zork_base_standard_ref;
-
 extern const struct thermistor_info thermistor_info;
 
 /* Sensors without hardware FIFO are in forced mode */