ARM: tegra: move to standard boot

Drop the distro-boot scripts and use standard boot instead.

Inspired by:
'commit 7755dc58af7b ("rockchip: Move to standard boot")'

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index be8ab0f..c9f2657 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1345,7 +1345,7 @@
 config ARCH_TEGRA
 	bool "NVIDIA Tegra"
 	select GPIO_EXTRA_HEADER
-	imply DISTRO_DEFAULTS
+	imply BOOTSTD_DEFAULTS
 	imply FAT_WRITE
 	imply SPL_TIMER if SPL