ARM: renesas: Enable LTO on R-Car3 Eagle

Enable LTO (link time optimization) to improve optimization
and reduce code size by cca. 32 kiB.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

diff --git a/configs/r8a77970_eagle_defconfig b/configs/r8a77970_eagle_defconfig
index fac4ab66f7c629244d1e87ea5e4c96751d265a5e..62192ad3890aed61a8d3e8b1085f2a4fc8040b7e 100644 (file)
--- a/configs/r8a77970_eagle_defconfig
+++ b/configs/r8a77970_eagle_defconfig
@@ -14,6 +14,7 @@ CONFIG_SPL_TEXT_BASE=0xe6318000
 CONFIG_RCAR_GEN3=y
 CONFIG_TARGET_EAGLE=y
 CONFIG_SYS_LOAD_ADDR=0x58000000
+CONFIG_LTO=y
 CONFIG_REMAKE_ELF=y
 CONFIG_SYS_MONITOR_LEN=1048576
 CONFIG_FIT=y