arm: mvebu: turris_omnia: Enable LTO by default on Turris Omnia

U-Boot builds for Turris Omnia are approaching the limit of 0xf0000
bytes, which is the size of the U-Boot partition on Omnia.

Enable LTO to get more size optimized binaries.

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/configs/turris_omnia_defconfig b/configs/turris_omnia_defconfig
index 2914840..39e1504 100644 (file)
--- a/configs/turris_omnia_defconfig
+++ b/configs/turris_omnia_defconfig
@@ -31,6 +31,7 @@ CONFIG_AHCI=y
 CONFIG_OF_BOARD_FIXUP=y
 CONFIG_SYS_MEMTEST_START=0x00800000
 CONFIG_SYS_MEMTEST_END=0x00ffffff
+CONFIG_LTO=y
 CONFIG_HAS_BOARD_SIZE_LIMIT=y
 CONFIG_BOARD_SIZE_LIMIT=983040
 CONFIG_FIT=y