configs: imx6dl_mamoj_defconfig: Enable LTO on imx6dl_mamoj board

Enable LTO on mamoj to reduce SPL and uboot size. Tested with gcc
gcc-11.1.0

U-Boot 2022.04-rc4-00051-g17fc5facd0 (Mar 23 2022 - 16:43:43 +0100)

CPU:   Freescale i.MX6DL rev1.3 996 MHz (running at 792 MHz)
CPU:   Extended Commercial temperature grade (-20C to 105C) at 40C
Reset cause: POR
Model: BTicino i.MX6DL Mamoj board
DRAM:  512 MiB
Core:  29 devices, 12 uclasses, devicetree: separate
MMC:   FSL_SDHC: 2
Loading Environment from MMC... OK
In:    serial
Out:   serial
Err:   serial
Net:
Error: ethernet@2188000 address not set.
No ethernet found.

Tested-by: Raffaele RECALCATI <raffaele.recalcati@bticino.it>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>

diff --git a/configs/imx6dl_mamoj_defconfig b/configs/imx6dl_mamoj_defconfig
index f898279c113ad2b24143f776ed421a8681624f87..b94878a6217e6807f8df987be1e011e413c32ce8 100644 (file)
--- a/configs/imx6dl_mamoj_defconfig
+++ b/configs/imx6dl_mamoj_defconfig
@@ -12,6 +12,7 @@ CONFIG_SPL_TEXT_BASE=0x00908000
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_IMX_HAB=y
 # CONFIG_CMD_BMODE is not set
+CONFIG_LTO=y
 CONFIG_SYS_MEMTEST_START=0x80000000
 CONFIG_SYS_MEMTEST_END=0x88000000
 CONFIG_DISTRO_DEFAULTS=y