change default export format to bin

Author: Owen L - SFE

boards.txt

@@ -38,7 +38,7 @@ artemis.build.f_cpu=48000000L
 artemis.build.core=arduino
 artemis.build.extra_flags=-DPART_apollo3 -DAM_PACKAGE_BGA -DAM_PART_APOLLO3 
 artemis.build.includes="-I{build.variant.path}/config" "-I{build.variant.path}/bsp"
-artemis.build.preferred_export_format=axf
+artemis.build.preferred_export_format=bin
 artemis.build.defs=
 artemis.build.libs=
 artemis.menu.svl_baud.921600=921600
@@ -76,7 +76,7 @@ amap3redboard.build.core=arduino
 amap3redboard.build.includes="-I{build.variant.path}/config" "-I{build.variant.path}/bsp"
 amap3redboard.build.ldscript={build.variant.path}/linker_scripts/gcc/artemis_sbl_svl_app.ld
 amap3redboard.build.extra_flags=-DPART_apollo3 -DAM_PACKAGE_BGA -DAM_PART_APOLLO3 
-amap3redboard.build.preferred_export_format=axf
+amap3redboard.build.preferred_export_format=bin
 amap3redboard.build.defs=
 amap3redboard.build.libs=
 amap3redboard.menu.svl_baud.921600=921600
@@ -113,7 +113,7 @@ amap3nano.build.core=arduino
 amap3nano.build.includes="-I{build.variant.path}/config" "-I{build.variant.path}/bsp"
 amap3nano.build.ldscript={build.variant.path}/linker_scripts/gcc/artemis_sbl_svl_app.ld
 amap3nano.build.extra_flags=-DPART_apollo3 -DAM_PACKAGE_BGA -DAM_PART_APOLLO3
-amap3nano.build.preferred_export_format=axf
+amap3nano.build.preferred_export_format=bin
 amap3nano.build.defs=
 amap3nano.build.libs=
 amap3nano.menu.svl_baud.921600=921600
@@ -150,7 +150,7 @@ amap3atp.build.core=arduino
 amap3atp.build.includes="-I{build.variant.path}/config" "-I{build.variant.path}/bsp"
 amap3atp.build.extra_flags=-DPART_apollo3 -DAM_PACKAGE_BGA -DAM_PART_APOLLO3 
 amap3atp.build.ldscript={build.variant.path}/linker_scripts/gcc/artemis_sbl_svl_app.ld
-amap3atp.build.preferred_export_format=axf
+amap3atp.build.preferred_export_format=bin
 amap3atp.build.defs=
 amap3atp.build.libs=
 amap3atp.menu.svl_baud.921600=921600
@@ -187,7 +187,7 @@ amap3thing.build.core=arduino
 amap3thing.build.includes="-I{build.variant.path}/config" "-I{build.variant.path}/bsp"
 amap3thing.build.ldscript={build.variant.path}/linker_scripts/gcc/artemis_sbl_svl_app.ld
 amap3thing.build.extra_flags=-DPART_apollo3 -DAM_PACKAGE_BGA -DAM_PART_APOLLO3
-amap3thing.build.preferred_export_format=axf
+amap3thing.build.preferred_export_format=bin
 amap3thing.build.defs=
 amap3thing.build.libs=
 amap3thing.menu.svl_baud.921600=921600
@@ -226,7 +226,7 @@ edge.build.includes="-I{build.variant.path}/config" "-I{build.variant.path}/bsp"
 edge.build.libs=
 edge.build.extra_flags=-DPART_apollo3 -DAM_PACKAGE_BGA -DAM_PART_APOLLO3 
 edge.build.ldscript={build.variant.path}/linker_scripts/gcc/ambiq_sbl_app.ld
-edge.build.preferred_export_format=axf
+edge.build.preferred_export_format=bin
 
 edge.menu.sbl_baud.921600=921600 (Default)
 edge.menu.sbl_baud.115200=115200 (TensorFlow Conference Versions)
@@ -271,7 +271,7 @@ edge2.build.core=arduino
 edge2.build.includes="-I{build.variant.path}/config" "-I{build.variant.path}/bsp"
 edge2.build.extra_flags=-DPART_apollo3 -DAM_PACKAGE_BGA -DAM_PART_APOLLO3 
 edge2.build.ldscript={build.variant.path}/linker_scripts/gcc/artemis_sbl_svl_app.ld
-edge2.build.preferred_export_format=axf
+edge2.build.preferred_export_format=bin
 edge2.build.defs=
 edge2.build.libs=
 edge2.menu.svl_baud.921600=921600