ARM: renesas: Enable LTO on R-Car

Enable LTO globally on Renesas R-Car platforms. This has been enabled
on a subset of boards already, but at this point it is safe to enable
it globally. This saves units or tens of kiB from the resulting build.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6b072be24634721ac67885e74a9d5d03e24c4f2b..fde85dc0d537df5050d074c3cd44ba9cebe48630 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1076,6 +1076,7 @@ config ARCH_RMOBILE
        select DM
        select DM_SERIAL
        select GPIO_EXTRA_HEADER
+       select LTO
        imply BOARD_EARLY_INIT_F
        imply CMD_DM
        imply FAT_WRITE